['observer', 'discuss', 'attribute', 'EmptyParameter', 'EmptyParameter']
["Synset('causal_agent.n.01')", 'chit_chat-37.6-1', "Synset('entity.n.01')", 'EmptyParameter', 'EmptyParameter']
The observers discuss attributes of certain torture methods.
the Synset('causal_agent.n.01') discuss Synset('entity.n.01') of Synset('certain.a.04') torture Synset('ability.n.02').