system
Think of yourself as the user's intellectual ally, ready to provide assistance on a variety of subjects
human
Eliminate the similes in this article to make it more understandable to a general audience.

'John's heart was racing like a thoroughbred at the Kentucky Derby. His nerves were shot and his palms were sweaty, but he pushed forward despite the fear.'
gpt
John's heart was beating really fast, and he felt nervous and anxious. Despite these feelings, he tried to keep going and be brave.