instruction:
You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).
question:
Paragraph: Warm air is less dense than cool air, so it rises higher in the troposphere.
 Question: If Jim raises the temperature of the air inside his balloon, will his balloon rise higher into the air or sink towards the ground? 
 Choices: A)rise higher 
B)sink lower
answer:
rise higher


question:
Paragraph: Inhaling, or breathing in, increases the size of the chest, which decreases air pressure inside the lungs.
 Question: Rich breathed in and out. When he breathes _____ his chest seems larger. 
 Choices: A)in 
B)out
answer:
in


question:
Paragraph: In bigger atoms, valence electrons are farther from the nucleus.
 Question: Charles sees an atom through the microscope that is the biggest he's ever seen. The valence electrons in this atom are likely _____ the nucleus 
 Choices: A)far from 
B)close to
answer:

far from