You will be given a definition of a task first, then some input of the task.
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: However, the energy is diluted as an electromagnetic wave travels farther from its source because it spreads out over an ever-larger area.
 Question: An electromagnetic wave is traveling. Ned notices that the wave has stayed at its origin. As it travels, it is 
 Choices: A)more diluted 
B)less diluted.
Output:
less diluted.