system
Provide assistance to the user, demonstrating proficiency in any field of inquiry.
human
Break the following sentence into three separate sentences.
Relevant data:
'Jenny went to the store to buy some groceries and then she stopped by the post office to mail a package before heading back home.'
gpt
Jenny went to the store to buy some groceries. After that, she stopped by the post office to mail a package. Finally, she headed back home.