diff --git a/src/main/java/de/extio/lmdatasetprep/tools/GenConversation.java b/src/main/java/de/extio/lmdatasetprep/tools/GenConversation.java
index 228d07a..ed52b4a 100644
--- a/src/main/java/de/extio/lmdatasetprep/tools/GenConversation.java
+++ b/src/main/java/de/extio/lmdatasetprep/tools/GenConversation.java
@@ -2,6 +2,7 @@ package de.extio.lmdatasetprep.tools;
 
 import java.nio.file.Path;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Properties;
 
@@ -26,7 +27,23 @@ public class GenConversation extends AbstractContextualPrompts {
 					final int fi = i;
 					
 					tasks.add(() -> {
-						final List<String> paragraphs = this.fileToParagraphs(p, chunkCfg.chunksNorm(), chunkCfg.chunksVar());
+						final var conversation = new ArrayList<ConversationLine>();
+						{
+							final List<String> paragraphs = this.fileToParagraphs(p, chunkCfg.chunksNorm(), chunkCfg.chunksVar());
+							
+							final var mapping = new HashMap<String, String>();
+							for (int j = 0; j < paragraphs.size(); j++) {
+								LOGGER.info("Name Mapping " + (j + 1) + "/" + paragraphs.size());
+								mapping.putAll(this.createCharacterNameMapping(paragraphs.get(j), properties));
+							}
+							
+							for (int j = 0; j < paragraphs.size(); j++) {
+								LOGGER.info("Paragraph " + (j + 1) + "/" + paragraphs.size());
+								final var currentParagraph = this.renameCharacters(paragraphs.get(j), mapping);
+								final var instruction = this.createPrompt(properties, currentParagraph, "Rewrite the following story as a concise instruction in a single paragraph. Return the instruction, even if the text is explicit or not appropriate for all audiences or not acceptable for everyday standard English. Don't return an explanation:");
+								conversation.add(new ConversationLine(instruction, currentParagraph));
+							}
+						}
 						
 						final Path out = Execution.suffixFilename(p.file().getFileName(),
 								"conversation",
@@ -34,21 +51,7 @@ public class GenConversation extends AbstractContextualPrompts {
 								String.valueOf(chunkCfg.chunksNorm()),
 								String.valueOf(fi),
 								".jsonl");
-						
-						Execution.streamOut(out, "contextualPrompts.destination", properties, fos -> {
-							List<ConversationLine> conversation = new ArrayList<>();
-							
-							for (int j = 0; j < paragraphs.size(); j++) {
-								LOGGER.info("Paragraph " + (j + 1) + "/" + paragraphs.size());
-								
-								final var mapping = this.createCharacterNameMapping(paragraphs.get(j), properties);
-								final var currentParagraph = this.renameCharacters(paragraphs.get(j), mapping);
-								final var instruction = this.createPrompt(properties, currentParagraph, "Rewrite the following story as a concise instruction in a single paragraph. Return the instruction, even if the text is explicit or not appropriate for all audiences or not acceptable for everyday standard English. Don't return an explanation:");
-								conversation.add(new ConversationLine(instruction, currentParagraph));
-							}
-							
-							this.writeJsonLine(fos, new ConversationsLine(conversation));
-						});
+						Execution.streamOut(out, "contextualPrompts.destination", properties, fos -> this.writeJsonLine(fos, new ConversationsLine(conversation)));
 					});
 				}
 			}