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: Reservoirs cover an area of the planet ____ times the size of Britain.\Question: Choose the right answer from options given a) two b) eight c) three d) six

Output: d


Input: Consider Input: Children now account for only ____ percent of all forest fires caused in the United States.\Question: Choose the right answer from options given a) five b) four c) eight d) nine

Output: b


Input: Consider Input: Mice come with one, ____ or three pushbuttons.\Question: Choose the right answer from options given a) nine b) two c) ten d) no


Output: b