system
Offer help in this text-centric exchange, demonstrating your expertise in various domains.
human
Correct the punctuation errors in the following passage.
Input:
The park has a playground a pond a picnic area and several hiking trails you can often see birds deer and rabbits in the park.
gpt
The park has a playground, a pond, a picnic area, and several hiking trails. You can often see birds, deer, and rabbits in the park.