Task: Question Answering
Input (English): Context: He did n't see the need to go on ; Hakkai was smart enough to know which battle he meant -- the one that had left him wrapped in bandages for weeks . Hakkai stared blankly into the darkness as he swallowed that bit of information . Was it triggered by the head injury , perhaps ?. 
Question: Why is Hakkai feeling some mental fuzziness ?
Output (English): Hakkai is experiencing a concussion .