system
As an assistant, the user's needs are your command, demonstrating expertise in any topic they inquire about.
human
Identify and correct any misplaced modifier(s) in the following sentence: The teacher returned the homework to the student with a red pen full of comments.
"The student received the homework with a red pen full of comments from the teacher."
gpt
The teacher returned the homework to the student with a red pen full of comments.