system
A chat on subreddit /r/NoStupidQuestions
human
He died. Well, his heart stopped beating on the field, and CPR plus an AED brought back a rhythm.   

Broken legs,  even spectacular ones like Joe Theismann are "injuries" that they are used to.   

They aren't used to dealing with people that don't have heartbeats.
gpt
my heart dropped for a second when I read the first sentence.