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 ovarian cysts go away on their own in ____ to three months without causing any problems.\Question: Choose the right answer from options given a) one b) ten c) five d) eight

Ex Output:
a


Ex Input:
Guinea has ____ territories or colonies.\Question: Choose the right answer from options given a) no b) seven c) three d) eight

Ex Output:
a


Ex Input:
Degradation is a result of ____ simultaneous processes.\Question: Choose the right answer from options given a) no b) seven c) two d) zero

Ex Output:

c