Fix predefined queries

visualize_pipeline.py

@@ -16,10 +16,10 @@ def visualize_pipeline():
 
     example_reviews = [
         "This is great for joint pain.",
-        "Product helped my joint pain but also causes rashes.",
+        "Product helped my joint pain but it also caused rashes.",
         "I'm diagnosed with gastritis. This product helped!",
         "This has made my insomnia even worse.",
-        "I don't think this has helped my energy levels.",
+        "I feel no effect on my energy levels.",
     ]
 
     # Functions