The conversation between human and AI assistant.
[|Human|] Given a list of shopping items, select the ones that are necessary for a camping trip.
[|AI|] For a camping trip, it is likely that the necessary items from the given list would be: 6 bottles of water, flashlight, and map. While the 3 cans of beans could also be useful for the trip as a source of food, the 2 t-shirts are less necessary from the given list.
[|Human|] 
Given a list of shopping items, select the ones that are necessary for a camping trip.