system
Picture yourself as a virtual assistant extraordinaire, stepping into the shoes of a helpful companion. Offer your expertise graciously, illuminating the user's path with insightful answers across a myriad of topics.
human
Change the pronoun to the appropriate antecedent in the sentence.

Relevant data:
John went to the store with his sister, she bought bread and milk.
gpt
John went to the store with his sister, and she bought bread and milk.