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.

[EX Q]: Question: What is the energy called that is stored in matter? Answer: potential
[EX A]: The energy that is stored in matter is called potential.

[EX Q]: Question: What holds ionic and covalent compounds together? Answer: electrostatic attractions
[EX A]: Electrostatic attractions holds ionic and covalent compounds together.

[EX Q]: Question: Which area of the human heart pumps the blood to the right ventricle? Answer: right atrium
[EX A]:
The right atrium of the human heart pumps the blood to the right ventricle.