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').

[Q]: Pairs encodes all sets of objects with ____ components.\Question: Choose the right answer from options given a) ten b) five c) two d) no
[A]: c


[Q]: Cigarette smokers are ____ times more likely to die of lung cancer than nonsmokers.\Question: Choose the right answer from options given a) ten b) six c) four d) nine
[A]: a


[Q]: Surgical abortion is an option for a woman who has been pregnant for ____ to fourteen weeks.\Question: Choose the right answer from options given a) three b) ten c) seven d) two
[A]:
c