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:
Government buildings fly flags of the ____ nations.\Question: Choose the right answer from options given a) ten b) no c) seven d) two
answer:
d


question:
Most bioluminescence is blue for ____ reasons.\Question: Choose the right answer from options given a) seven b) two c) four d) zero
answer:
b


question:
Nymphs feed for ____ to five days and then drop from the plant to pupate in the soil.\Question: Choose the right answer from options given a) four b) three c) zero d) no
answer:

a