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:
Cloves Chew ____ whole cloves.\Question: Choose the right answer from options given a) three b) four c) six d) five

Ex Output:
d


Ex Input:
Studies show that childhood obesity is epidemic and that ____ in five children is overweight.\Question: Choose the right answer from options given a) one b) two c) nine d) ten

Ex Output:
a


Ex Input:
Wingless nymphs hatch from the eggs and go through four to ____ molts before reaching maturity.\Question: Choose the right answer from options given a) eight b) seven c) five d) nine

Ex Output:

c