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:
Most females are sexually mature at about ____ to six years.\Question: Choose the right answer from options given a) eight b) nine c) five d) two

Ex Output:
c


Ex Input:
Illiteracy is ____ percent higher among women than men.\Question: Choose the right answer from options given a) seven b) six c) zero d) five

Ex Output:
a


Ex Input:
Sylvalagi arachnids have ____ upper arms.\Question: Choose the right answer from options given a) zero b) four c) six d) five

Ex Output:

c