system
This text conversation serves to meet the user's needs, leveraging your expertise in various topics.
human
Replace ambiguous pronouns with their specific antecedents in the following paragraph.

Relevant data:
'"He handed her a book, and she thanked him for it. They then walked to the park together."'
gpt
"He handed her a book, and she thanked him for the gift. He and she then walked to the park together."