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: Some families have two daddies or ____ mommies.\Question: Choose the right answer from options given a) nine b) seven c) zero d) two

Output: d


Input: Consider Input: Argentine ants are able to establish new colonies with as little as ____ worker ants and one queen.\Question: Choose the right answer from options given a) no b) two c) ten d) five

Output: c


Input: Consider Input: Caterpillars have ____ pairs of prolegs with the last pair having the appearance of a forked tail.\Question: Choose the right answer from options given a) five b) seven c) nine d) eight


Output: a