Four weeks or so after they have learned to fly the young eagles leave the nest for good.
(Four weeks or so; leave; the nest for good) (they; have learned; to fly the young eagles) Context(they have learned,List([23, 40))):(they; have learned to fly; the young eagles)
they have learned,List([23, 40))
Four weeks or so they they
leave have learned have learned to fly
the nest for good
to fly the young eagles
the young eagles