def kwargosaurus(**kwargs):
  for key, value in kwargs.items():
    if value == "smaller":
      print(key, "is small! Mighty Kwargosaurus will fight you!")
    else:
      print(key, "is big! Whimpering Kwargosaurus cries and runs away!")

kwargosaurus(Velociraptor="smaller", Stegasaurus="smaller", Triceratops="smaller", Trex="bigger")