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:
Asthma accounts for ____ in six of all pediatric emergency visits in the United States.\Question: Choose the right answer from options given a) four b) seven c) one d) six

Ex Output:
c


Ex Input:
Digital bandwidth enables signal to be condensed as a five to ____ ratio.\Question: Choose the right answer from options given a) one b) nine c) seven d) six

Ex Output:
a


Ex Input:
Robins have ____ broods a year.\Question: Choose the right answer from options given a) six b) zero c) no d) two

Ex Output:

d