['he', 'obtain', 'information', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'obtain-13.5.2-1', "Synset('group.n.01')", 'EmptyParameter', 'EmptyParameter']
He may be able to obtain some information about the weapon.
<PRP> may be Synset('able.a.01') to obtain some Synset('group.n.01') about the Synset('communication.n.01').