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: Perennial grass takes ____ to five years before it is mature enough to produce adequate seed.\Question: Choose the right answer from options given a) six b) zero c) three d) no

Output: c


Input: Consider Input: People can go without food for up to about ____ weeks.\Question: Choose the right answer from options given a) three b) one c) nine d) four

Output: a


Input: Consider Input: Upper canines are long and well-developed, and the molars have ____ or four cusps.\Question: Choose the right answer from options given a) nine b) four c) three d) one


Output: c