['action', 'cause', 'EmptyParameter', 'love', 'by']
["Synset('physical_entity.n.01')", 'engender-27.1', 'EmptyParameter', "Synset('bodily_process.n.01')", 'by']
Actions were caused by love, not chemicals.
Synset('physical_entity.n.01') were caused by love, not Synset('substance.n.01').