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: Cyclic neutropenia tends to occur every three weeks and last ____ to six days at a time.\Question: Choose the right answer from options given a) six b) four c) five d) three

Output: d


Input: Consider Input: Unsafe acts cause ____ times as many accidents as unsafe conditions.\Question: Choose the right answer from options given a) no b) eight c) one d) four

Output: d


Input: Consider Input: Deadly spiders nest under toilet seats and have killed ____ people in Chicago.\Question: Choose the right answer from options given a) four b) three c) eight d) one


Output: b