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: 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
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Q: Vaccinated newborns have protection for at least ____ years.\Question: Choose the right answer from options given a) four b) five c) two d) no

A: b
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Q: Indian population is ____ years less than that of the overall Canadian population.\Question: Choose the right answer from options given a) seven b) two c) six d) zero

A:
a
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