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:
Fats come in ____ different forms saturated and unsaturated.\Question: Choose the right answer from options given a) no b) two c) six d) seven

Ex Output:
b


Ex Input:
Oranges signify good health, and the number ____ sounds like the word for prosperity .\Question: Choose the right answer from options given a) six b) four c) five d) eight

Ex Output:
d


Ex Input:
Obesity now affects ____ in five children in the United States.\Question: Choose the right answer from options given a) three b) five c) one d) ten

Ex Output:

c