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 bigger the waves are and the more sediment they carry, the more erosion they cause.
Question: A part of the beach is rough, and another part is very smooth. The waves on the rough part of the beach are probably
Choices: A)larger
B)smaller
smaller