Instructions: 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).
Input: Paragraph: In the mesosphere, temperature decreases as altitude increases.
 Question: Mikey is studying the mesosphere. He is looking at temperatures at various altitudes within this layer of the atmosphere. If he took the temperature at 31 miles above the Earth's surface, and then again at 40 miles above the Earth's surface, the temperature would be lower at a height of 
 Choices: A)31 miles 
B)40 miles
Output:
40 miles