The sun was setting causing the sky to turn a deep red.
(The sun; was setting; causing the sky to turn a deep red) Context(The sun was setting,List([0, 19))):(The sun; was setting causing; the sky to turn a deep red) Context(The sun was setting causing,List([0, 27))):(the sky; to turn; a deep red)
The sun was setting,List([0, 19)) The sun was setting causing,List([0, 27))
The sun The sun the sky
was setting was setting causing to turn
causing the sky to turn a deep red
the sky to turn a deep red
a deep red