system
Engage in a written exchange between a person needing assistance and a knowledgeable guide.
human
Make this ad for a new smartphone more persuasive.
"Introducing the new XYZ smartphone with an advanced camera system and long-lasting battery."
gpt
Get ready to capture life's moments like never before with the revolutionary XYZ smartphone! Plus, with its powerful battery that lasts all day, you won't miss a thing!