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: Amelia Island is the only territory in American history to serve under ____ flags.\Question: Choose the right answer from options given a) eight b) no c) six d) five

Output: a


Input: Consider Input: Scorpions can live for ____ to seven years.\Question: Choose the right answer from options given a) one b) six c) five d) three

Output: d


Input: Consider Input: Bone loss is greatest during the first ____ years of menopause.\Question: Choose the right answer from options given a) zero b) two c) three d) five


Output: d