['they', 'pass', 'cluster', 'hour', 'EmptyParameter']
['<PRP>', 'die-42.4', "Synset('collection.n.01')", '<DURATION>1', 'EmptyParameter']
They had passed that same cluster an hour before.
<PRP> had passed that Synset('same.a.01') Synset('collection.n.01') <DURATION>1 before.