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]: Some people try to count to ____ when they feel angry.\Question: Choose the right answer from options given a) no b) ten c) seven d) five
[A]: b


[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]: Spinner dolphins are ____ to seven feet long and have a three part color pattern on their bodies.\Question: Choose the right answer from options given a) seven b) one c) three d) six
[A]:
d