Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').

Input: Consider Input: Astronauts sleep only ____ hours each night, on average.\Question: Choose the right answer from options given a) six b) one c) four d) seven

Output: a


Input: Consider Input: Guinea has ____ territories or colonies.\Question: Choose the right answer from options given a) no b) seven c) three d) eight

Output: a


Input: Consider Input: Shotguns range in weight from about ____ pounds to eight pounds.\Question: Choose the right answer from options given a) zero b) five c) eight d) three


Output: b