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').

Example Input: Sculpture involves the ____ different processes of carving and modeling.\Question: Choose the right answer from options given a) five b) three c) two d) ten
Example Output: c

Example Input: Mares normally give birth to their first foal when they are between three and ____ years of.\Question: Choose the right answer from options given a) ten b) no c) six d) four
Example Output: c

Example Input: Most role plays involve ____ characters interacting.\Question: Choose the right answer from options given a) two b) ten c) eight d) four
Example Output:
a