['officer', 'know', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['it', 'mean', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
["Synset('defender.n.01')", 'comprehend-87.2', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'intend-61.2', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
The officers immediately know what it means.
the Synset('defender.n.01') immediately know what <PRP> means.