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:
Japan is the second largest single country importer with about ____ per cent of world oat imports.\Question: Choose the right answer from options given a) five b) one c) four d) eight

Ex Output:
a


Ex Input:
Matter exists in ____ forms, solid, fluid and plasma.\Question: Choose the right answer from options given a) ten b) nine c) three d) five

Ex Output:
c


Ex Input:
Insects have antennae, ____ body parts and six legs.\Question: Choose the right answer from options given a) three b) ten c) six d) eight

Ex Output:

a