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: The closer together the particles are, the greater the amplitude of the wave.
 Question: When two crests are closes together in a wave what increases? 
 Choices: A)frequency 
B)amplitude
Output:
amplitude