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:
Control is defined as a dead plant with ____ signs of life.\Question: Choose the right answer from options given a) ten b) nine c) no d) zero

Ex Output:
c


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:
Plants lose vigor and decline in abundance within three to ____ years.\Question: Choose the right answer from options given a) two b) six c) four d) one

Ex Output:

c