I'm going camping and want to treat river water to drink. What are three options I can use?
You could boil water, use a water filter or add in chemical treatments to the water to make it safe to drink
Instruction: I'm going camping and want to treat river water to drink. What are three options I can use?
Context: 
Response: You could boil water, use a water filter or add in chemical treatments to the water to make it safe to drink