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: Different types of rocks weather at different rates. More resistant types of rocks will remain longer.
 Question: Carter puts two rocks outside; one is a soft pebble, the other is a solid stone. A year later, he checks on the rocks. The soft pebble is not there because it has a resistance that is 
 Choices: A)greater 
B)lesser
Output:
lesser