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]: Chimeras are ____ headed creatures that shoot fire from all three heads, damaging a wide area.\Question: Choose the right answer from options given a) three b) one c) eight d) six
[A]: a


[Q]: Some male fish return after just ____ years.\Question: Choose the right answer from options given a) no b) two c) one d) six
[A]: b


[Q]: Baleen whales have ____ blowholes .\Question: Choose the right answer from options given a) nine b) two c) zero d) no
[A]:
b