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:
Women account for more than ____ out of five deaths from stroke.\Question: Choose the right answer from options given a) three b) six c) eight d) nine

Ex Output:
a


Ex Input:
Roundworms are fairly large worms that can grow to be ____ or five inches long.\Question: Choose the right answer from options given a) no b) nine c) four d) zero

Ex Output:
c


Ex Input:
Many doctors recommend waiting ____ to six weeks before resuming sexual intercourse.\Question: Choose the right answer from options given a) eight b) one c) no d) five

Ex Output:

d