['captain', 'see', 'creature', 'EmptyParameter', 'EmptyParameter']
["Synset('employee.n.01')", 'comprehend-87.2-1-1', "Synset('person.n.01')", 'EmptyParameter', 'EmptyParameter']
The captain has seen the web creature before.
the Synset('employee.n.01') has seen the Synset('network.n.05') Synset('person.n.01') before.