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').

All quetzals have ____ legs.\Question: Choose the right answer from options given a) four b) zero c) eight d) ten
a

Trinity comes from tri-unity which means ____ in one.\Question: Choose the right answer from options given a) four b) three c) eight d) zero
b

Biennials are plants that live for ____ years.\Question: Choose the right answer from options given a) two b) nine c) one d) ten

a