# animals
vertebrates
  birds
  mammals
    terrestial
    aquatic
    arboreal
  reptiles
  fishes

# friends of Italian Opera
(NP,(Nbar,(Nbar,(N,friends)),(PP,(Pbar,(P,of),(NP,(Nbar,(AP,Italian),(N,Opera))))))),

# a very lucky girl
NP
  Det
    a
  Nbar
    AP
      very
      Abar
        A
          lucky
    N
      girl
