Update app.py

app.py

@@ -141,10 +141,15 @@ def build_model(model_choice, temperature=0.7):
 # -------------------------------------------------
 prompt_template = PromptTemplate(
     template=(
-        "Answer the question based on the context below.\n\n"
-        "Context: {context}\n\n"
-        "Question: {question}\n\n"
-        "Answer:"
+        "You are a helpful assistant.\n\n"
+        "Answer the question using the context provided below.\n"
+        "If the context does not mention the topic, say clearly: 'There is no mention of the topic in the video you provided.'\n"
+        "Then, based on your own knowledge, try to answer the question.\n"
+        "If both the context and your knowledge are insufficient, say: 'I don't know.'\n\n"
+        "Keep the answer format neat, clean, and human-readable.\n\n"
+        "Context:\n{context}\n\n"
+        "Question:\n{question}"
+
     ),
     input_variables=["context", "question"]
 )