You will be given a definition of a task first, then some input of the task.
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).

Paragraph: Air pressure is less at higher elevations.
 Question: Air pressure will _____ when one goes down a mountain. 
 Choices: A)increase 
B)decrease
Output:
increase