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:
Today there are ____ UK hospitals doing heart transplants.\Question: Choose the right answer from options given a) three b) five c) six d) nine

Ex Output:
d


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

Ex Output:
d


Ex Input:
Men are creatures with two legs and ____ hands.\Question: Choose the right answer from options given a) three b) five c) ten d) eight

Ex Output:

d