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: Midrange drivers are used in multi-way speakers with ____ or more driver sizes.\Question: Choose the right answer from options given a) one b) five c) four d) three

Output: d


Input: Consider Input: Hydra has ____ distinct methods of reproduction, asexual and sexual.\Question: Choose the right answer from options given a) two b) zero c) no d) ten

Output: a


Input: Consider Input: Breast milk is the only food recommended for the first ____ to six months of an infant's life.\Question: Choose the right answer from options given a) four b) eight c) three d) six


Output: a