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:
Meteorologists rely mainly on ____ types of satellites.\Question: Choose the right answer from options given a) four b) two c) ten d) three
answer:
b


question:
Mammals have only ____ sets of teeth.\Question: Choose the right answer from options given a) six b) five c) seven d) two
answer:
d


question:
Ozone is a gas that is formed in the atmosphere when ____ atoms of oxygen combine.\Question: Choose the right answer from options given a) ten b) eight c) three d) one
answer:

c