['they', 'knock', 'EmptyParameter', 'floor', 'to']
['<PRP>', 'bump-18.4-1', 'EmptyParameter', "Synset('abstraction.n.01')", 'to']
Suddenly, they are knocked to the floor, unconscious.
Suddenly, <PRP> are knocked to the floor, Synset('unconscious.a.01').