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: Material culture is the realm of ____ dimensional objects that make up our everyday environment.\Question: Choose the right answer from options given a) ten b) three c) six d) four
Example Output: b

Example Input: Chipmunks produce one or ____ litters a year.\Question: Choose the right answer from options given a) three b) one c) ten d) two
Example Output: d

Example Input: Coyotes typically have ____ toes on each forefoot and four toes on each hind foot.\Question: Choose the right answer from options given a) ten b) three c) five d) zero
Example Output:
c