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: Nematodes occur in ____ general forms.\Question: Choose the right answer from options given a) nine b) two c) seven d) ten

Output: b


Input: Consider Input: Bucks grow antlers each year that reach ____ to six feet in spread.\Question: Choose the right answer from options given a) seven b) one c) three d) five

Output: d


Input: Consider Input: Mankind falls into ____ groups, when innate nature and inclinations are considered.\Question: Choose the right answer from options given a) three b) one c) four d) no


Output: c