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: A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude.
 Question: A wave with more energy than another will have a _____-frequency. 
 Choices: A)lower 
B)higher
Example Output: higher

Example Input: Paragraph: The more dense the medium, the slower the light moves.
 Question: A very rarefied medium will cause light to move 
 Choices: A)faster 
B)slower
Example Output: faster

Example Input: Paragraph: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.
 Question: Polly gets her planet to increase greenhouse gas levels. The global temperature as a result likely 
 Choices: A)increases 
B)decreases
Example Output:
increases