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 male fish return after just ____ years.\Question: Choose the right answer from options given a) no b) two c) one d) six

Output: b


Input: Consider Input: Bloody diarrhea lasts for two to ____ days.\Question: Choose the right answer from options given a) nine b) five c) three d) no

Output: b


Input: Consider Input: Orchestra conductors live three to ____ years longer than is usual in their societies.\Question: Choose the right answer from options given a) five b) seven c) one d) six


Output: b