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: More particles inside the container means more collisions, and more collisions mean a higher pressure.
 Question: John was watching the particles as they interacted with each other. He found that the lower the pressure, the collisions were 
 Choices: A)Higher 
B)Lower
Lower