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: Different types of rocks weather at different rates. More resistant types of rocks will remain longer.
 Question: A piece of granite is less resistant than soapstone therefore it will last 
 Choices: A)longer 
B)shorter
shorter