question: What sentence would provide a factual answer to this question: "cooking food requires adding what?"

answer: cooking food requires adding heat energy

question: What sentence would provide a factual answer to this question: "A dog can breathe"

answer: an animal requires oxygen for to breathe

question: What sentence would provide a factual answer to this question: "A boy is standing in the bathroom brushing his teeth, but the lights are off in the bathroom. However, his room is next to the bathroom and his bedroom light is on. The bathroom is still bright, because the mirror reflects"

answer:
a mirror reflects light