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: Cats have ____ lives.\Question: Choose the right answer from options given a) five b) one c) two d) nine

Output: d


Input: Consider Input: Parliaments can last five years, often last ____ and a bit.\Question: Choose the right answer from options given a) four b) three c) five d) two

Output: a


Input: Consider Input: Adult silverfish live approximately ____ years.\Question: Choose the right answer from options given a) five b) eight c) three d) one


Output: c