Provide the theme summaries for the following conversation: 

Gabriel: I saw your pictures on FB.
Gabriel: It's so hot in Rio.
Octavio: Like always in December.
Octavio: When are you coming?
Gabriel: I want to come for the Carnival
Octavio: That's insane!
Octavio: You have a place to stay?
Gabriel: I'll be staying with Vicente.
Octavio: You can also crush my place if you need to
Octavio: Vicente always has so many people over
Gabriel: Thanks mate
Gabriel: First I need to get the tickets
Octavio: I'm really happy you're coming
Octavio: Last year we had so much fun!

Summary: 
Octavio is in Rio. Gabriel saw his pictures on facebook. He will come to Rio for the Carnival and stay with Vicente. Octavio and Gabriel had fun last year.