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:
Background radiation comes from ____ sources.\Question: Choose the right answer from options given a) zero b) three c) four d) no
answer:
b


question:
Sea stars have ____ arms, or rays, connected to a small round body.\Question: Choose the right answer from options given a) five b) six c) seven d) no
answer:
a


question:
Pups consume an average of ____ liters of milk a day .\Question: Choose the right answer from options given a) eight b) one c) two d) six
answer:

a