Update tools/FinalAnswerTool.py

tools/FinalAnswerTool.py

@@ -25,6 +25,7 @@ For numerical questions:
     STEP 3: Round to the nearest integer.
     STEP 4: Send ONLY that integer to final_answer.
 - If the final answer is Research. Do not capitalize. Just keep the answer as "research"
+- If the answer includes multiple options (e.g., b,e) → pass the exact options separated by a comma and a single space (e.g., b, e) to final_answer.
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 WHEN MAX STEPS ARE REACHED
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