['he', 'gain', 'information', 'EmptyParameter', 'EmptyParameter'] ['what', 'happen', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'calibratable_cos-45.6.1', "Synset('system_of_measurement.n.01')", 'EmptyParameter', 'EmptyParameter'] ['what', 'occur-48.3', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
He has gained useful information about what is happening here.
<PRP> has gained Synset('useful.a.01') Synset('system_of_measurement.n.01') about what is happening here.