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: Radio Televizioni Shqiptar (RTSH) is the public radio and TV broadcaster of Albania, founded by King Zog in 1938. 
Question: Is King Zog still living?

Output: Yes.


Input: Consider Input: Sentence: Radio Televizioni Shqiptar (RTSH) is the public radio and TV broadcaster of Albania, founded by King Zog in 1938. 
Question: How long has RTSH been established?

Output: Yes.


Input: Consider Input: Sentence: One result was two NSC-led interagency trips to Persian Gulf states in 1999 and 2000. 
Question: Where did the NSC go after they were done with their trip?


Output: Yes.


