diff --git a/eo-maven-plugin/src/test/resources/org/eolang/maven/packs/pre/locators-to-java.yaml b/eo-maven-plugin/src/test/resources/org/eolang/maven/packs/pre/locators-to-java.yaml
index b3f45e00fe..0dfa9b34ff 100644
--- a/eo-maven-plugin/src/test/resources/org/eolang/maven/packs/pre/locators-to-java.yaml
+++ b/eo-maven-plugin/src/test/resources/org/eolang/maven/packs/pre/locators-to-java.yaml
@@ -2,6 +2,7 @@ xsls:
   - /org/eolang/parser/add-default-package.xsl
   - /org/eolang/parser/wrap-method-calls.xsl
   - /org/eolang/parser/set-locators.xsl
+  - /org/eolang/parser/explicit-data.xsl
   - /org/eolang/maven/pre/classes.xsl
   - /org/eolang/maven/pre/attrs.xsl
   - /org/eolang/maven/pre/data.xsl
@@ -15,6 +16,7 @@ tests:
   - //java[contains(text(), 'new PhLocated(ret_base, 7, 2, "Φ.bar.φ.ρ")')]
   - //java[contains(text(), 'new PhLocated(ret, 7, 4, "Φ.bar.φ")')]
   - //java[contains(text(), 'new PhLocated(ret_1, 7, 10, "Φ.bar.φ.α0")')]
+  - //java[contains(text(), 'new PhLocated(ret, 8, 2, "Φ.bar.five")')]
 eo: |
   [] > foo
     42 > @
@@ -22,4 +24,5 @@ eo: |
       43.plus y > @
 
   [] > bar
-    42.plus 43 > @
\ No newline at end of file
+    42.plus 43 > @
+    int 5 > five
diff --git a/eo-parser/src/main/java/org/eolang/parser/ParsingTrain.java b/eo-parser/src/main/java/org/eolang/parser/ParsingTrain.java
index d5b10ec21f..9870bfe8a9 100644
--- a/eo-parser/src/main/java/org/eolang/parser/ParsingTrain.java
+++ b/eo-parser/src/main/java/org/eolang/parser/ParsingTrain.java
@@ -91,9 +91,9 @@ public final class ParsingTrain extends TrEnvelope {
         "/org/eolang/parser/warnings/correct-package-meta.xsl",
         "/org/eolang/parser/warnings/prohibited-package.xsl",
         "/org/eolang/parser/errors/unused-aliases.xsl",
-        "/org/eolang/parser/errors/data-objects.xsl",
         "/org/eolang/parser/warnings/unit-test-without-phi.xsl",
         "/org/eolang/parser/set-locators.xsl",
+        "/org/eolang/parser/explicit-data.xsl",
     };
 
     /**
diff --git a/eo-parser/src/main/resources/org/eolang/parser/explicit-data.xsl b/eo-parser/src/main/resources/org/eolang/parser/explicit-data.xsl
new file mode 100644
index 0000000000..56ad9f5bbd
--- /dev/null
+++ b/eo-parser/src/main/resources/org/eolang/parser/explicit-data.xsl
@@ -0,0 +1,103 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+The MIT License (MIT)
+
+Copyright (c) 2016-2023 Objectionary.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+-->
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" id="explicit-data" version="2.0">
+  <!--
+  Here we transform just data into application
+  - 5 => 5
+  - int 5 => 5
+  - float 22.4 => 22.4
+  - QQ.bool TRUE > TRUE
+
+  In the level of xmir it looks like:
+  - <o base="org.eolang.int" data="int">2</o>    =>  <o base="org.eolang.int" data="int">2</o>
+  - <o base="org.eolang.int" name="num">             <o base="org.eolang.int" data="int" name="num">
+      <o base="org.eolang.int" data="int">       =>    42
+        42                                           </o>
+      </o>
+    </o>
+  - <o base=".bool" name="b">                        <o base="org.eolang.bool" data="bytes" name="b">
+      <o base=".eolang">                         =>    01
+        <o base=".org">                              </o>
+          <o base="Q"></o>
+        </o>
+      </o
+      <o base="org.eolang.bool" data="bytes">
+        01
+      </o>
+    </o>
+  -->
+  <xsl:import href="/org/eolang/parser/_datas.xsl"/>
+  <xsl:output encoding="UTF-8" method="xml"/>
+  <xsl:variable name="reversed" as="element()*">
+    <xsl:for-each select="$literal-objects">
+      <a>
+        <xsl:value-of select="replace(./text(), 'org\.eolang\.', '.')"/>
+      </a>
+    </xsl:for-each>
+  </xsl:variable>
+  <xsl:template match="//o[o[last() and @data] and @base!='org.eolang.tuple']">
+    <xsl:variable name="base" select="@base"/>
+    <xsl:variable name="last-base" select="o[last()]/@base"/>
+    <xsl:choose>
+      <xsl:when test="$literal-objects[text()=$base]">
+        <o>
+          <xsl:for-each select="@*">
+            <xsl:attribute name="{name()}">
+              <xsl:value-of select="."/>
+            </xsl:attribute>
+          </xsl:for-each>
+          <xsl:attribute name="data">
+            <xsl:value-of select="o/@data"/>
+          </xsl:attribute>
+          <xsl:value-of select="o"/>
+        </o>
+      </xsl:when>
+      <xsl:when test="$reversed[text()=$base] and count(o)=2 and o[position()=1 and @base='.eolang' and o[@base='.org' and o[@base='Q']]] and o[last() and @data] and $literal-objects[text()=$last-base]">
+        <o>
+          <xsl:for-each select="@*[name()!='base']">
+            <xsl:attribute name="{name()}">
+              <xsl:value-of select="."/>
+            </xsl:attribute>
+          </xsl:for-each>
+          <xsl:attribute name="data">
+            <xsl:value-of select="o[last()]/@data"/>
+          </xsl:attribute>
+          <xsl:attribute name="base">
+            <xsl:value-of select="o[last()]/@base"/>
+          </xsl:attribute>
+          <xsl:value-of select="o[last()]"/>
+        </o>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:copy-of select="."/>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:template>
+  <xsl:template match="node()|@*">
+    <xsl:copy>
+      <xsl:apply-templates select="node()|@*"/>
+    </xsl:copy>
+  </xsl:template>
+</xsl:stylesheet>
diff --git a/eo-parser/src/test/resources/org/eolang/parser/packs/explicit-data.yaml b/eo-parser/src/test/resources/org/eolang/parser/packs/explicit-data.yaml
new file mode 100644
index 0000000000..71d73a04d9
--- /dev/null
+++ b/eo-parser/src/test/resources/org/eolang/parser/packs/explicit-data.yaml
@@ -0,0 +1,23 @@
+xsls:
+  - /org/eolang/parser/wrap-method-calls.xsl
+  - /org/eolang/parser/expand-qqs.xsl
+  - /org/eolang/parser/add-default-package.xsl
+  - /org/eolang/parser/explicit-data.xsl
+tests:
+  - /program/errors[count(*)=0]
+  - //o[@base='org.eolang.int' and @name='first' and @data]
+  - //o[@base='org.eolang.float' and @name='second' and @data and count(o)=0]
+  - //o[@base='org.eolang.bool' and @name='third' and @data and count(o)=0]
+  - //o[@base='org.eolang.bytes' and @name='fourth' and @data and count(o)=0]
+  - //o[@base='org.eolang.string' and @name='str' and @data and count(o)=0]
+  - //o[@base='org.eolang.tuple' and o[@base='org.eolang.tuple']]
+eo: |
+  42 > first
+  float 22.2 > second
+  QQ.bool TRUE > third
+  QQ.bytes > fourth
+    11-21
+  Q.org.eolang.string "Hey" > str
+  tuple
+    * 1
+    2