['Janeway', 'explain', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['he', 'improve', 'sensor', 'EmptyParameter', 'EmptyParameter']
['<PERSON>3', 'transfer_mesg-37.1.1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'other_cos-45.4', "Synset('instrumentality.n.03')", 'EmptyParameter', 'EmptyParameter']
Janeway explains he is improving their sensors.
<PERSON>3 explains <PRP> is improving <PRP> Synset('instrumentality.n.03').