['they', 'guard', 'prisoner', 'EmptyParameter', 'EmptyParameter'] ['two', 'appear', 'EmptyParameter', 'they', 'with']
['<PRP>', 'captain-29.8-1', "Synset('person.n.01')", 'EmptyParameter', 'EmptyParameter'] ['<NUMBER>0', 'appear-48.1.1', 'EmptyParameter', '<PRP>', 'with']
They are guarding eight very dangerous prisoners, two of whom did not appear with them.
<PRP> are guarding eight very Synset('dangerous.a.01') prisoners, <NUMBER>0 of whom did not appear with <PRP>.