1. The user asked, "What happened to the other questions?" which is not a math problem but a query about previous questions. 2. Since the user message does not contain a math problem, I will respond with a short, friendly message as per instructions. 3. The assistant follows the guest rule to only answer the first question if multiple are present, but here the question is about other questions, so no math solution is needed. 4. The assistant clarifies that only the first question is answered and others are ignored as per the rules.