In this task, you are given a fact statement and question based on the fact. Your task is to generate the correct answer for the question. The answer needs to be generated using the context fact statement.

Fact: An example of conservation is avoiding waste. Question: A person wants to conserve toothpaste so they will?
use it stingily

Fact: the excretory system removes waste from the body. Question: The excretory system removes waste from what?
persons insides

Fact: sediment is formed by weathering. Question: if a solid piece stands out in the elements, and reduces in size over time, what might have happened?

it has been weathered down