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:
Poles CAN occur at ____ frequency.\Question: Choose the right answer from options given a) six b) four c) zero d) eight
answer:
c


question:
Most linguists organize the African languages into ____ major language families.\Question: Choose the right answer from options given a) three b) four c) eight d) no
answer:
b


question:
Humans have two lungs, each fed by ____ bronchus.\Question: Choose the right answer from options given a) one b) three c) nine d) four
answer:

a