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: Alcoholics are nearly ____ times more likely than others to die in motor vehicle crashes.\Question: Choose the right answer from options given a) ten b) eight c) six d) five
Example Output: d

Example Input: Hypertension affects nearly one in ____ adults.\Question: Choose the right answer from options given a) three b) seven c) five d) zero
Example Output: a

Example Input: Most spiders have eight eyes, but some have six, ____ or two.\Question: Choose the right answer from options given a) no b) four c) eight d) one
Example Output:
b