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').

Input: Consider Input: Centrifugal pumps can usually handle up to about ____ percent by volume of air.\Question: Choose the right answer from options given a) one b) five c) eight d) seven

Output: b


Input: Consider 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

Output: c


Input: Consider Input: True armyworms complete ____ or more generations per year in North Carolina.\Question: Choose the right answer from options given a) five b) seven c) ten d) eight


Output: a