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]: Water is the only natural substance which exists in all ____ states of matter in nature.\Question: Choose the right answer from options given a) no b) eight c) six d) three
[A]: 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]: Every cell is considered to have ____ neighboring cells with which it shares edges or corners.\Question: Choose the right answer from options given a) eight b) five c) no d) ten
[A]:
a