The foresters knew that if they planted the trees too far to the West the seedlings would die.
(they; planted; the trees; too far to the West) (The foresters; knew; that if they planted the trees too far to the West the seedlings would die) Context(The foresters knew,List([0, 18))):(the seedlings; would die; )
The foresters knew,List([0, 18))
they The foresters the seedlings
planted knew would die
the trees too far to the West
that if they planted the trees too far to the West the seedlings would die