No one could have predicted ten years ago how much captioning would grow.
(No one; could have predicted; T:ten years ago; how much captioning would grow) Context(No one could have predicted,List([0, 27))):(how much captioning; would grow; )
No one could have predicted,List([0, 27))
No one how much captioning
could have predicted would grow
T:ten years ago how much captioning would grow