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: More dense water takes up less space than less dense water.
 Question: Jeff found some not very dense water. He knows it is not very dense because it takes up _____ space than dense water. 
 Choices: A)more 
B)less
more