Teacher: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).
Teacher: Now, understand the problem? Solve this instance: Paragraph: During inhalation, because the chest volume is larger, the air pressure inside the lungs is lower than the air pressure outside.
 Question: Mike takes deep breaths, and knows that his chest volume is fairly sizable. Considering his chest size, the air pressure inside the lungs, compared to the air pressure outside, is 
 Choices: A)lower 
B)higher
Student:
lower