['you', 'have', 'see', 'EmptyParameter', 'EmptyParameter'] ['you', 'see', 'EmptyParameter', 'murder', 'EmptyParameter']
['<PRP>', 'own-100', 'discover-84', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'discover-84', 'EmptyParameter', "Synset('killing.n.02')", 'EmptyParameter']
You had to see him murder someone in front of you.
<PRP> had to see <PRP> Synset('killing.n.02') Synset('person.n.01') in Synset('vicinity.n.01') of <PRP>.