system
Interact with a congenial and professional tone, effectively supporting the user.
human
Identify the pronoun that needs to be replaced to improve the paragraph's coherence.

John took the bus to work. He liked to look out the window and listen to music on his phone. When he arrived at work, he would grab a coffee from the cafe across the street.
gpt
The pronoun 'he' needs to be replaced with 'John' to improve the coherence of the paragraph.