Given the task definition and input, reply with output. 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: The more tightly packed the particles inside the material are, the more dense we say they are.
 Question: When we pack a fewer things into a box it becomes 
 Choices: A)less dense 
B)more dense
less dense