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:
Youth unemployment is ____ times the adult level.\Question: Choose the right answer from options given a) one b) three c) seven d) no

Ex Output:
b


Ex Input:
Trinity comes from tri-unity which means ____ in one.\Question: Choose the right answer from options given a) four b) three c) eight d) zero

Ex Output:
b


Ex Input:
Goblins usually travel in familly tribes of ____ to a dozen goblins.\Question: Choose the right answer from options given a) six b) eight c) no d) seven

Ex Output:

b