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: Elk retain their antlers for more than ____ months of the year.\Question: Choose the right answer from options given a) nine b) ten c) six d) seven

Output: c


Input: Consider Input: Diarrheal disease kills ____ million children every year.\Question: Choose the right answer from options given a) three b) no c) four d) ten

Output: a


Input: Consider Input: Dogwood trees have ____ different flower patterns.\Question: Choose the right answer from options given a) ten b) two c) four d) no


Output: b