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: Grasshoppers can fly at speeds up to ____ miles per hour.\Question: Choose the right answer from options given a) eight b) seven c) two d) nine

Output: a


Input: Consider Input: Government buildings fly flags of the ____ nations.\Question: Choose the right answer from options given a) ten b) no c) seven d) two

Output: d


Input: Consider Input: Stress incontinence affects ____ times as many Caucasian women as African-American women.\Question: Choose the right answer from options given a) six b) eight c) three d) ten


Output: c