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: The person may walk a half mile in the wrong direction!. 
Question: How does the person walk in the wrong direction?
answer:
No.


question:
Sentence: These rangers were too well trained to appear openly curious about their captain's guest. 
Question: What day of the week did the rangers get trained?
answer:
Yes.


question:
Sentence: You can clearly see the same rock layers on opposite sides of the canyon. 
Question: When did they canyon split?
answer:

No.


