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: Democracy is ____ wolves and one sheep voting on what to have for supper.\Question: Choose the right answer from options given a) ten b) three c) zero d) one

Output: b


Input: Consider Input: Food chains consist of ____ trophic levels.\Question: Choose the right answer from options given a) ten b) three c) one d) four

Output: d


Input: Consider Input: Privatization has ____ meanings.\Question: Choose the right answer from options given a) four b) no c) one d) two


Output: d