['EmptyParameter', 'knock', 'he', 'EmptyParameter', 'EmptyParameter']
['EmptyParameter', 'throw-17.1', '<PRP>', 'EmptyParameter', 'EmptyParameter']
Then suddenly the Wraith attacks one of the hunters but only knocks him down.
then suddenly the <PERSON>8 Synset('process.n.06') one of the Synset('nebula.n.03') but only knocks <PRP> down.