text: Grace: I'm coming tonight!
  Oleg: I know. WHy are you telling me?
  Grace: Cause I've got an idea :)
  Oleg: OK, are you telling me what?
  Grace: No, it's a surprise!
  Oleg: I knew that. So why are you telling me?
  Grace: you're such a bore!
  Oleg: Grace, I'm sorry, I'm busy
  Grace: OK, but be home the earliest you can
  Oleg: OK, i'll do my best. Around 7 I think
target: Grace is coming tonight and she's planning something surprising. Oleg should be home at 7 or so.