diff --git a/src/main/java/org/texttechnologylab/project/gruppe_05_1/nlp/NlpUtils.java b/src/main/java/org/texttechnologylab/project/gruppe_05_1/nlp/NlpUtils.java
index 51ad002..e01e647 100644
--- a/src/main/java/org/texttechnologylab/project/gruppe_05_1/nlp/NlpUtils.java
+++ b/src/main/java/org/texttechnologylab/project/gruppe_05_1/nlp/NlpUtils.java
@@ -229,22 +229,22 @@ public class NlpUtils {
 
         }
         for (Token token : JCasUtil.select(jcas, Token.class)) {
-            System.out.println(token.getCoveredText() + '\t' + token.getPosValue());
+            Logger.debug(token.getCoveredText() + '\t' + token.getPosValue());
         }
 
 
         for (NamedEntity entity : JCasUtil.select(jcas, NamedEntity.class)) {
             if (entity.getValue().equals("PER")) {
-                System.out.println("Person: " + entity.getCoveredText());
+                Logger.debug("Person: " + entity.getCoveredText());
             } else if (entity.getValue().equals("LOC")) {
-                System.out.println("Location: " + entity.getCoveredText());
+                Logger.debug("Location: " + entity.getCoveredText());
             }
         }
 
         for (Sentence sentence : JCasUtil.select(jcas, Sentence.class)) {
-            System.out.println(sentence.getCoveredText());
+            Logger.debug(sentence.getCoveredText());
             for (Sentiment sentiment : JCasUtil.selectCovered(Sentiment.class, sentence)) {
-                System.out.println("Sentiment: " + sentiment.getSentiment());
+                Logger.debug("Sentiment: " + sentiment.getSentiment());
             }
         }
 
@@ -337,7 +337,7 @@ public class NlpUtils {
         Bson filter = Filters.exists("analysisResults", false);
         List<Speech> unprocessedSpeeches = mongoDBHandler.retrieveAllSpeeches(filter);
         if (unprocessedSpeeches.isEmpty()) {
-            System.out.println("No unprocessed speeches found");
+            Logger.warn("No unprocessed speeches found");
         }
         else {
             pComposer.resetPipeline();
@@ -353,7 +353,7 @@ public class NlpUtils {
                 JCas jCas;
                 jCas = rede.toCas();
                 pComposer.run(jCas);
-                //System.out.println("Anzahl Sentiment-Annotationen: " + JCasUtil.select(jCas, org.hucompute.textimager.uima.type.Sentiment.class).size());
+                Logger.info("Anzahl Sentiment-Annotationen: " + JCasUtil.select(jCas, org.hucompute.textimager.uima.type.Sentiment.class).size());
                 Document analysisResults = extractAnnotations(jCas);
                 Bson updateFilter = Filters.eq("speechKey", rede.getSpeechKey());
                 Bson update = new Document("$set", new Document("analysisResults", analysisResults));
@@ -363,7 +363,7 @@ public class NlpUtils {
                 System.out.println("Processing of " + bulkOperations.size() + " documents finished");
                 System.out.println("uploading...");
                 mongoDBHandler.bulkWriteNlpData(bulkOperations);
-                System.out.println("Bulk write completed for " + bulkOperations.size() + " documents.");
+                Logger.debug("Bulk write completed for " + bulkOperations.size() + " documents.");
                 mongoDBHandler.close();
             }
         }