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').

Ex Input:
Calves remain hidden for much of the time, and are weaned by ____ months of age.\Question: Choose the right answer from options given a) six b) three c) eight d) one

Ex Output:
b


Ex Input:
Cows breed at ____ years, bulls at four.\Question: Choose the right answer from options given a) two b) three c) seven d) one

Ex Output:
b


Ex Input:
Statistics indicate that one in three women and one in ____ men have experienced sexual abuse.\Question: Choose the right answer from options given a) six b) eight c) no d) nine

Ex Output:

a