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).

Example Input: Paragraph: Faster-moving water has more energy.
Question: When a car is going slow it has
Choices: A)low energy
B)high energy
Example Output: low energy

Example Input: Paragraph: For a given medium, sound has a slower speed at lower temperatures.
Question: If Jim turns the thermostat down in his room while listening to music, what will happen to the speed of the sound waves in the room?
Choices: A)they will speed up
B)they will slow down
Example Output: they will slow down

Example Input: Paragraph: Warming up exercises increases the blood flow to the muscles and increases the heart rate.
Question: Tony wanted to prevent cramps by not warming up. This _____ blood flow to his muscles.
Choices: A)decreases
B)increases
Example Output:
decreases