A tree-dweller, they have short legs, big feet, and long tails, to help their balance and climbing skills.
(they; have; short legs, big feet, and long tails) Context(they have,List([16, 25))):(they; have short legs, big feet, and long tails to help; their balance and climbing skills)
they have,List([16, 25))
they they
have have short legs, big feet, and long tails to help
short legs, big feet, and long tails
their balance and climbing skills