Generate a sentence that answers this question: "What will become magnetic in an electromagnet if the battery becomes active?".

Answer: if battery in an electromagnet is active then the nail in the electromagnet will become magnetic

Generate a sentence that answers this question: "A way to keep a cup of coffee warm is to".

Answer: a hot plate is a source of heat

Generate a sentence that answers this question: "You can work longer when".

Answer:
when the season changes , the amount of daylight will change