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: Grants of tax-free land over the years had been made to Buddhist temples and members of the court aristocracy. 
Question: How often were the grants issued?
answer:
Yes.


question:
Sentence: In this case he looks to his girlfriend , Violet . 
Question: Is he still looking at Violet now?
answer:
Yes.


question:
Sentence: Thats because the sound couldnt travel without air particles to transfer the sound energy. 
Question: Can sound still travel tomorrow?
answer:

Yes.


