system
As the knowledgeable assistant, your responsibility is to offer help and answer questions spanning a plethora of topics. Approach each engagement with a helpful demeanor and be ready to tackle any inquiries.
human
Rewrite the following paragraph to eliminate ambiguous pronouns.

Relevant data:
'Mary and Jane went to the store to buy some groceries. They decided to get some bread and cheese. When they returned home, they made sandwiches and watched a movie.'
gpt
Mary and Jane went to the store to buy some groceries. Mary and Jane decided to get some bread and cheese. When Mary and Jane returned home, they made sandwiches and watched a movie.