Task: Question Answering
Input (English): Context: But the food was delicious and Val , Tommy and I sat at the same table so we kept talking about the past . We always played together when we were young . Very funny . Tommy used to love Street Fighter and he said he still have that on his psp now . 
Question: What may be the reason for their discussion about the past ?
Output (English): They wanted to talk about their favorite memories .