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 higher the crests of a wave are, the greater the amplitude.
 Question: Ian surfed a 6 foot wave. Tony surfed a 10 foot wave. The wave with the highest amplitude was 
 Choices: A)Tony's 
B)Ian's
Tony's