instruction:
A question that is free of any grammatical or logcal errors, should be labeled 'yes', otherwise it should be indicated as 'no'. A question is grammatically correct if all its entities i.e. nouns, verbs, adjectives, prepositions, pronouns, adverbs are at appropriate position. A question is logically correct if the semantic makes sense.
question:
Sentence: He tried to halt the Dayaks' piracy and head-hunting while defending their more ""morally acceptable"" customs.
Question: Does he defend the morally acceptable customs 24 hours a day and 7 days a week?
answer:
No.

question:
Sentence: Joe's parents are farmers and they have a huge farm with cows, chickens, and ducks.
Question: What were Joe's parents before they were farmers?
answer:
Yes.

question:
Sentence: Every Saturday we would go to the park and play Toodles' favorite game.
Question: When did it become his favorite game?
answer:
Yes.