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').

[EX Q]: Dispassion is a ____ edged sword.\Question: Choose the right answer from options given a) six b) two c) zero d) four
[EX A]: b

[EX Q]: Obesity is, in general, the result of personal choices and poses ____ risk of communication.\Question: Choose the right answer from options given a) four b) six c) zero d) seven
[EX A]: c

[EX Q]: Science is regulated by values of ____ different kinds.\Question: Choose the right answer from options given a) eight b) two c) no d) seven
[EX A]:
b