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: Woodchucks produce about ____ young and virtually all females breed annually.\Question: Choose the right answer from options given a) ten b) four c) no d) six

Output: b


Input: Consider Input: Banks hold ____ excess reserves and the public holds no currency.\Question: Choose the right answer from options given a) two b) seven c) ten d) no

Output: d


Input: Consider Input: Girls can start their periods as young as ____ years old.\Question: Choose the right answer from options given a) zero b) two c) six d) eight


Output: d