['harrad-sar', 'reveal', 'EmptyParameter', 'slave', 'EmptyParameter']
['harrad-sar', 'say-37.7', 'EmptyParameter', "Synset('person.n.01')", 'EmptyParameter']
Harrad-Sar then reveals that he himself is the slave -- a slave to the Orion females on Archer's ship.
harrad-sar then reveals that <PRP> is the Synset('person.n.01') -- a Synset('person.n.01') to the <ORGANIZATION>0 Synset('causal_agent.n.01') on Archer's Synset('craft.n.02').