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]: Amelia Island is the only territory in American history to serve under ____ flags.\Question: Choose the right answer from options given a) eight b) no c) six d) five
[A]: a


[Q]: Ozone is a molecule containing ____ oxygen atoms.\Question: Choose the right answer from options given a) one b) nine c) no d) three
[A]: d


[Q]: Most anoles are said to live between four and ____ years.\Question: Choose the right answer from options given a) seven b) eight c) one d) five
[A]:
b