['he', 'keep', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['fan', 'wait', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'keep-15.2', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ["Synset('supporter.n.01')", 'exist-47.1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
He shouldn't keep his fans waiting.
<PRP> shouldn't keep <PRP> Synset('supporter.n.01') waiting.