text: Susan: When are you coming?
  Paul: I'll be there in 1 hour
  Pieter: 1,5-2 hours
  Susan: OK
  Susan: I'm already here
  Susan: I'm on the 5th floor
  Susan: South wing 
target: Susan is on the 5th floor in the south wing. Paul will be there in 1 hour. Pieter will arrive in 1,5 - 2 hours.