Part 1. Definition
In this task, you're given a statement and three sentences as choices. Your job is to determine which sentence can be inferred from the statement. Incorrect choices change the meaning in important ways or have details that are not mentioned in the statement. Indicate your answer as 1,2, or 3 corresponding to the choice number of the selected sentence.
Part 2. Example
Statement: Next to the MGM Grand you will find M and M World, four stories of merchandise and memorabilia dedicated to the candy that doesn't melt in your hand. Choices: 1. The candy has many fans who love its attractions. 2. There's four stories of memorabilia dedicated to a candy. 3. That particular candy melts and becomes difficult to eat.
Answer: 2
Explanation: The candy may or may not be popular, and does not melt and become difficult to eat. Hence the second choice is the only one that fully agrees with the statement.
Part 3. Exercise
Statement: Well, I suppose the atmosphere is oxygen and nitrogen, mostly; then there's the ionosphere and the ozone layer. Choices:  1. The atmosphere also has some carbon dioxide in it. 2. The atmosphere is mostly comprised of oxygen and nitrogen; above that is the ionosphere and the ozone layer. 3. The atmosphere is made entirely of helium.
Answer:
2