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: Trinity comes from tri-unity which means ____ in one.\Question: Choose the right answer from options given a) four b) three c) eight d) zero

Output: b


Input: Consider Input: Military service is fulfilled by voluntary enlistment, generally for a period of ____ years.\Question: Choose the right answer from options given a) four b) one c) nine d) two

Output: c


Input: Consider Input: Moths begin to emerge in about ____ weeks.\Question: Choose the right answer from options given a) zero b) seven c) two d) five


Output: c