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: 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: Foresters usually work ____ hours a day, five days a week.\Question: Choose the right answer from options given a) six b) five c) seven d) eight
Example Output: d

Example Input: Some states have laws prohibiting the sale of puppies younger than ____ weeks of age.\Question: Choose the right answer from options given a) eight b) seven c) three d) two
Example Output:
a