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:
Female cats have ____ X's in each cell.\Question: Choose the right answer from options given a) five b) two c) one d) ten

Ex Output:
b

Ex Input:
Taste is comprised of ____ primary senses detected on the palate.\Question: Choose the right answer from options given a) two b) seven c) five d) ten

Ex Output:
c

Ex Input:
Statistics indicate that one in three women and ____ in six men have experienced sexual abuse.\Question: Choose the right answer from options given a) one b) six c) five d) two

Ex Output:
a