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:
Natural tellurium consists of ____ isotopes.\Question: Choose the right answer from options given a) six b) seven c) eight d) one
answer:
c


question:
Most birds have ____ toes, three that face forward and one rearward.\Question: Choose the right answer from options given a) two b) ten c) nine d) four
answer:
d


question:
Time based licenses are typically licenses that expire within one to ____ years.\Question: Choose the right answer from options given a) three b) one c) nine d) six
answer:

a