instruction:
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').
question:
Songbirds have ____ sets of vocal chords.\Question: Choose the right answer from options given a) six b) two c) eight d) ten
answer:
b


question:
Women gain ____ years per child they had.\Question: Choose the right answer from options given a) ten b) nine c) four d) two
answer:
d


question:
Apical meristems give rise to ____ primary meristems.\Question: Choose the right answer from options given a) three b) four c) eight d) ten
answer:

a