TASK DEFINITION: In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
PROBLEM: Question: What do you call a substance that cannot be broken down to other substances by chemical reactions.? Answer: an element

SOLUTION: You call a substance that cannot be broken down to other substances by chemical reactions an element.

PROBLEM: Question: What do muscles need to contract? Answer: stimulus

SOLUTION: Muscles need stimulus to contract.

PROBLEM: Question: What do you call the sudden flow of mud down a slope because of gravity? Answer: mudslide

SOLUTION:
Mudslide do you call the sudden flow of mud down a slope because of gravity.