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: Third, no middle ground exists in what Qutb conceived as a struggle between God and Satan.
Question: What happens after the struggle between God and Satan?
answer:
Yes.

question:
Sentence: They are very flat areas and they have very rich soils.
Question: When did the soils become rich>?
answer:
No.

question:
Sentence: Although disruption efforts around the world had achieved some successes, the core of Bin Laden's organization remained intact.
Question: What time of day did the organization have a meeting?
answer:
Yes.