['he', 'have', 'difficulty', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'own-100', "Synset('cognition.n.01')", 'EmptyParameter', 'EmptyParameter']
Therefore, he has difficulty putting confidence in him.
Therefore, <PRP> has Synset('cognition.n.01') putting Synset('cognitive_state.n.01') in <PRP>.