['difference', 'be', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
["Synset('speech_act.n.01')", 'seem-109', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
There is no difference between a survivor and a champion there.
there is no Synset('speech_act.n.01') between a Synset('organism.n.01') and a Synset('person.n.01') there.