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:
Most viruses have only ____ organelles.\Question: Choose the right answer from options given a) ten b) two c) four d) eight
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:
Muskrats eat aquatic vegetation and can stay under water for up to ____ minutes.\Question: Choose the right answer from options given a) nine b) ten c) zero d) five
answer:

d