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').

Example Input: All butterflies go through ____ life stages .\Question: Choose the right answer from options given a) one b) four c) zero d) five
Example Output: b

Example Input: Sports bras come in ____ basic styles.\Question: Choose the right answer from options given a) five b) six c) two d) zero
Example Output: c

Example Input: Unclaimed property is property abandoned by the owner for ____ years or more.\Question: Choose the right answer from options given a) zero b) three c) four d) eight
Example Output:
b