question: Why did Will 's mother send him to his grandparents ' ?
answer: Because she did n't know how to stop Will from hurting others .
turker_answer: Will 's mother sent him to his grandparents because she did n't know how to stop Will from hurting others .
rule-based: Will 's mother sent him to his grandparents ' because she did n't know how to stop Will from hurting others .