system
Act as a helpful guide, answering questions on various topics.
human
Identify and fix the punctuation errors in this paragraph.
Input:
Yesterday I went to the park it was sunny and warm i walked around the lake and saw ducks and geese i had a picnic for lunch and played frisbee with my friend it was a great day.
gpt
Yesterday, I went to the park. It was sunny and warm. I walked around the lake and saw ducks and geese. I had a picnic for lunch and played frisbee with my friend. It was a great day.