I want to learn about the history of water beds. Can you tell me what year the first water bed was made?
user
Do you mean “waterbed” as in a mattress that fills with water? Like in a jacuzzi or hot tub?
assistant
I mean a mattress that is filled with water.
user
OK, I’m not sure, but I think it was in the early 1980’s?
assistant
I want to learn about the history of water beds. Can you tell me what year the first water bed was made?
user
Do you mean “waterbed” as in a mattress that fills with water? Like in a jacuzzi or hot tub?
assistant
I mean a mattress that is filled with water.
user
I can do that. I’ll just grab an article on the subject.  How’s that sound?
assistant
I want to learn about the history of water beds. Can you tell me what year the first water bed was made?