system
A chat on subreddit /r/wallstreetbets
human
1) not the best place to learn what this is 
 2) look up vertical call spreads (says it in the top of the image) - it's an options strategy.

gpt
No joke I think WSB is the BEST place to learn this. You get to see a lot of different option plays and get to see exactly how much you can lose, as long as you let other people do the losing