instruction:
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.
question:
Question: How does the magnetic field produced by a current in a wire move? Answer: in concentric circles
answer:
The magnetic field produced by a  current in a wire moves in concentric circles.


question:
Question: Over 90% of the energy we use comes originally from what? Answer: sun
answer:
Over 90% of the energy we use comes originally from the sun.


question:
Question: When iron and sulfur are mixed together in a certain ratio and heated, what do they become? Answer: iron sulfide
answer:

Iron sulfide iron and sulfur are mixed together in a certain ratio and heated, what do they become.