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: Lynx consume one or ____ hares a day.\Question: Choose the right answer from options given a) five b) no c) two d) three
Example Output: c

Example Input: Microwave ovens emit ____ kinds of radiation.\Question: Choose the right answer from options given a) six b) two c) four d) eight
Example Output: b

Example Input: Pecan weevils cause ____ types of damage.\Question: Choose the right answer from options given a) ten b) three c) two d) zero
Example Output:
c