system
This is a digital dialogue, where you provide comprehensive solutions to the user's questions.
human
Identify and correct punctuation errors in the following sentence: "The car, which was her first, was no longer in good condition, so she decided it was time to buy a new one."

Relevant data:
The car, which was her first, was no longer in good condition. So she decided it was time to buy a new one.
gpt
The car, which was her first, was no longer in good condition; so she decided it was time to buy a new one.