Definition: 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: Air pressure is less at higher elevations.
 Question: Marcus is climbing a mountain, and notices that it is easier to breathe than it was before. This is likely because Marcus is at a 
 Choices: A)lower elevation 
B)higher elevation
Output:
lower elevation