['ship', 'have', 'problem', 'EmptyParameter', 'EmptyParameter']
["Synset('craft.n.02')", 'own-100', "Synset('cognitive_factor.n.01')", 'EmptyParameter', 'EmptyParameter']
But Penk's ship has no such problems.
but Penk's Synset('craft.n.02') has no such Synset('cognitive_factor.n.01').