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: Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs.
 Question: Jeff takes a breath and lets it out. When do his lungs experience the least air pressure? 
 Choices: A)after inhaling 
B)after exhaling
Output:
after inhaling