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 tense in this sentence to match the past tense of the rest of the passage.

Relevant data:
The study found that chocolate can boost brain function and improve memory.
gpt
The study found that chocolate could boost brain function and improve memory.