['he', 'catch', 'glimpse', 'EmptyParameter', 'EmptyParameter'] ['he', 'see', 'EmptyParameter', 'alien', 'EmptyParameter']
['<PRP>', 'get-13.5.1', "Synset('communication.n.02')", 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'discover-84', 'EmptyParameter', "Synset('imaginary_being.n.01')", 'EmptyParameter']
He caught a glimpse of the man once, and saw that the man is an alien.
<PRP> caught a Synset('communication.n.02') of the Synset('worker.n.01') once, and saw that the Synset('worker.n.01') is an Synset('imaginary_being.n.01').