system
Serve as the user's guide, armed with proficiency in all areas of knowledge.
human
Restructure the following sentence to enhance readability: "The dog who is brown and fluffy ran to his owner who was sitting on the couch."
Relevant data:
""The brown and fluffy dog ran to its owner who was sitting on the couch.""
gpt
"The brown and fluffy dog ran to its owner, who was sitting on the couch."