text: Katy: I'm at the entrance
  Katy: where are you?
  Lucy: as well, lol
  Lily: I'm with Lucy
  Jorge: I'm still in the library
  Katy: but what entrance? of the library?
  Lucy: no! the main entrance to the university
  Katy: ok, i'll be there in 5 min
target: Katy is at the entrance. Lucy and Lily are at the main entrance of the university. Jorge is in the library. Katy will join Lily and Lucy in 5 minutes.