Adjust prompts and increase a search articles amount returning

app.py

@@ -142,7 +142,7 @@ class BasicAgent:
     def search_tool(question: str, max_length: int = 100000) -> str:
         print(f"\nCalling search tool with: {question}, max_lentgh: {max_length}")
         search_ = TavilySearch(
-            max_results=3,
+            max_results=4,
             topic="general",
         )
         info = search_.invoke({"query": question})
@@ -202,7 +202,7 @@ class BasicAgent:
             }
         ])
         
-        response = model.invoke([SystemMessage(content="Analyze the image."), msg])
+        response = model.invoke([SystemMessage(content="Analyze the image and answer the question."), msg])
         result = response.content
         print("Result:", result)
         return result