The sugar cube is our "rock" and the sandpaper causes it to "erode".
(The sugar cube; is; our "rock" and the sandpaper causes it to "erode) (the sandpaper; causes; it to "erode) Context(the sandpaper causes,List([33, 53))):(it; to erode; )
the sandpaper causes,List([33, 53))
The sugar cube the sandpaper it
is causes to erode
our "rock" and the sandpaper causes it to "erode
it to "erode