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).

[EX Q]: Paragraph: Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs.
 Question: When people breathe out their chest becomes 
 Choices: A)larger 
B)smaller
[EX A]: smaller

[EX Q]: Paragraph: The rocket goes upwards because the hot gases shoot downwards out of the nozzle. The faster the gases go downwards, the faster the rocket goes upwards.
 Question: Boris was tasked with developing a hypersonic rocket. He built two prototypes that were identical except that they have different gas velocities out of the nozzle. Which rocket was likely the slowest? 
 Choices: A)the rocket with highest gas velocity 
B)the rocket with lowest gas velocity
[EX A]: the rocket with lowest gas velocity

[EX Q]: Paragraph: If the gas is cooled, the particles will move more slowly, because they will have less energy.
 Question: If Jim decreases the amount of energy inside of a gas, the particles in the gas will move 
 Choices: A)more 
B)less
[EX A]:
less