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: A given volume of a denser substance is heavier than the same volume of a less dense substance.
 Question: Henry noticed that his piece of cake was heavier than his piece of butter. The cake was _____ dense. 
 Choices: A)more 
B)less
more