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:
Most internal parasites are specific to one or ____ species.\Question: Choose the right answer from options given a) seven b) three c) two d) five

Ex Output:
c


Ex Input:
Most carnivores can have children after ____ or two years.\Question: Choose the right answer from options given a) seven b) one c) four d) six

Ex Output:

b


