Marianella: Are you coming over to Monica's place tonight?
Adolfo: What time are you guys meeting up?
Marianella: I'll be there at 6pm. 
Adolfo: Damn it, I've my project group meeting at 6. 
Adolfo: We need to discuss a couple of details for the workshops we're planning.
Marianella: Will it take long?
Adolfo: No idea, but let's stay in touch.
Marianella: OK! It'd be cool if you made it! 
Adolfo doesn't know if he comes over to Monica's place tonight because he has a meeting at 6 pm.