Generate a sentence that answers this question: "In an auction, how might a seller avoid too much of a loss?".

Answer: as the sale of a product decreases , the amount of money made by the person selling that product will decrease

Generate a sentence that answers this question: "A fire started in a forest but it wasn't started by people. What could have been the cause?".

Answer: lightning can cause a forest fire

Generate a sentence that answers this question: "If something is a raw material in a process, then that something is".

Answer:
if something is a raw material in a process then that something is required for that process