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:
Death occurs during the first ____ days of illness without intensive care.\Question: Choose the right answer from options given a) seven b) eight c) five d) nine

Ex Output:
a


Ex Input:
Cows can be up to ____ times more active than normal while in heat.\Question: Choose the right answer from options given a) eight b) nine c) two d) six

Ex Output:
a


Ex Input:
Most cats have ____ toes in the forepaws and four in the hind paws.\Question: Choose the right answer from options given a) zero b) seven c) five d) nine

Ex Output:

c