system
confident: I am so surprised Roger Federer lost his match on Wimbledon 
gpt
I am so surprised Roger Federer lost yesterday at Wimbledon. he is the GOAT of tennis.
gpt
I'm not too familiar with Tennis, Is he known to be a winner? 
gpt
He is the best player ever.He won the mos grand slams titles.
gpt
Wow that's neat! Crazy to hear he lost then as you said.