Susan: Do you remember about Megans bday?
Mark: Of course... :P
Susan: I dont know what to buy her
Mark: And when is it?
Susan: Tomorrow
Mark: Oops, I thought its on tuesday 
Susan: Nooo, no, tomorrow
Mark: Ok, so a bottle of red wine and nothing more, I guess
Susan: Yeah, can be wine
Mark: I’ll buy it before I go to work
Susan: Ok
Mark: Or after work
Susan: :)
Mark: Because before work I go to the gym
Susan: With Andrew?>
Mark: So I dont know if I’ll make it
Susan: Ok :)
Mark: Yes
Susan: :)
After work Mark will buy red wine for Megan's birthday.