question: Why did the old man follow the woman and let her say `` Bye-bye , Grandpa '' ?
answer: He wanted her to pay for him .
turker_answer: The old man followed the woman and let her say `` Bye-bye , Grandpa '' because he wanted her to pay for him .
rule-based: The old man followed the woman and let her say `` Bye-bye , Grandpa because he wanted her to pay for him '' .