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: Most children have a vocabulary of eight to ____ words, including names, by eighteen months of age.\Question: Choose the right answer from options given a) ten b) one c) seven d) eight

Output: a


Input: Consider Input: Most people recover in one to ____ months.\Question: Choose the right answer from options given a) no b) three c) seven d) eight

Output: b


Input: Consider Input: Loons eat approximately ____ pounds of fish each day.\Question: Choose the right answer from options given a) nine b) seven c) zero d) two


Output: d