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: Young squirrels remain in the nest for about ____ weeks.\Question: Choose the right answer from options given a) seven b) six c) two d) eight

Output: b


Input: Consider Input: Asthma accounts for ____ in six of all pediatric emergency visits in the United States.\Question: Choose the right answer from options given a) four b) seven c) one d) six

Output: c


Input: Consider Input: Humans believe in ____ opposites to all matter.\Question: Choose the right answer from options given a) seven b) one c) two d) eight


Output: c