Task: Question Answering
Input (English): Context: I explained ( read : TRIED to explain ) that I just needed some garbage bags , and he told me they had garbage bags , but that what I was looking for did n't exist in all of Japan . Not that he 'd just " never seen those , " or that they , " did n't carry them , " but that they DID NOT EXIST . ANYWHERE IN JAPAN . His exact words . The hell , old man . 
Question: Why would n't garbage bags be in Japan ?
Output (English): They ban the material .