The ocean waves then batter the shore, causing massive erosion.
(The ocean waves; batter; the shore; T:then) Context(The ocean waves batter,List([0, 27))):(The ocean waves; batter the shore causing; massive erosion)
The ocean waves batter,List([0, 27))
The ocean waves The ocean waves
batter batter the shore causing
the shore T:then
massive erosion