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:
Plants can uptake ____ times more nutrients, and improve soil texture at the same time.\Question: Choose the right answer from options given a) no b) two c) three d) ten

Ex Output:
d


Ex Input:
Widowed men are ____ times as likely to be murdered.\Question: Choose the right answer from options given a) two b) four c) three d) no

Ex Output:
b


Ex Input:
Plantains are available to be eaten in ____ different states.\Question: Choose the right answer from options given a) two b) one c) zero d) nine

Ex Output:

a