Update app.py

app.py

@@ -94,6 +94,7 @@ class DocumentRetrievalAndGeneration:
         Query:{query}
         Solution==>
         RETURN ONLY SOLUTION . IF THEIR IS NO ANSWER RELATABLE IN RETRIEVED CHUNKS , RETURN " NO SOLUTION AVAILABLE"
+        IF THE QUERY AND THE RETRIEVED CHUNKS DO NOT CORRELATE MEANINGFULLY, OR IF THE QUERY IS NOT RELEVANT TO TDA2 OR RELATED TOPICS, THEN "NO SOLUTION AVAILABLE."
         Example1
         Query: "How to use IPU1_0 instead of A15_0 to process NDK in TDA2x-EVM",
         Solution: "To use IPU1_0 instead of A15_0 to process NDK in TDA2x-EVM, you need to modify the configuration file of the NDK application. Specifically, change the processor reference from 'A15_0' to 'IPU1_0'.",