['they', 'negotiate', 'trade', 'EmptyParameter', 'EmptyParameter'] ['they', 'trade', 'information', 'encounter', 'on']
['<PRP>', 'correspond-36.1.1', 'exchange-13.6.1', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'exchange-13.6.1', "Synset('system_of_measurement.n.01')", "Synset('happening.n.01')", 'on']
They negotiate to trade tactical information on Voyager's previous alien encounters for information on the weapon used on Tuvok.
<PRP> negotiate to trade Synset('tactical.a.01') Synset('system_of_measurement.n.01') on Voyager's previous alien Synset('happening.n.01') for Synset('system_of_measurement.n.01') on the Synset('device.n.01') used on <PERSON>1.