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]: Chemistry has ____ less important names.\Question: Choose the right answer from options given a) ten b) no c) eight d) nine
[A]: b


[Q]: Routers are basically systems, which connect ____ networks together.\Question: Choose the right answer from options given a) three b) two c) nine d) six
[A]: b


[Q]: Some animals make normal pigments in parts of their bodies and ____ pigments in others.\Question: Choose the right answer from options given a) no b) two c) four d) seven
[A]:
a