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.

Input: Consider Input: Sentence: If I cannot carry my groceries or my laundry, how can I live?. 
Question: What happened after he did the laundry?

Output: Yes.


Input: Consider Input: 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?

Output: Yes.


Input: Consider Input: Sentence: They are very flat areas and they have very rich soils. 
Question: How often is the soil tested?


Output: Yes.


