Waters energy comes from two sources: the sun, which lifts it to high places, and gravity, which causes it to run downhill.
(Waters energy; comes; from two sources) (the sun; lifts; it; to high places) (gravity; causes; it to run downhill) Context(gravity causes,List([82, 103))):(it; to run; downhill)
gravity causes,List([82, 103))
Waters energy the sun gravity it
comes lifts causes to run
from two sources
it to high places
it to run downhill
downhill