['this', 'be', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['he', 'work', 'night', 'EmptyParameter', 'EmptyParameter']
['this', 'seem-109', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'employment-95.3', "Synset('fundamental_quantity.n.01')", 'EmptyParameter', 'EmptyParameter']
This is because he usually works nights.
this is because <PRP> usually works Synset('fundamental_quantity.n.01').