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:
Oranges signify good health, and the number ____ sounds like the word for prosperity .\Question: Choose the right answer from options given a) six b) four c) five d) eight
answer:
d


question:
Atoms are extremely small, on the order of a few ____ billionths of a meter.\Question: Choose the right answer from options given a) ten b) seven c) nine d) eight
answer:
a


question:
Mesons are combinations of ____ quarks .\Question: Choose the right answer from options given a) ten b) two c) one d) five
answer:

b