['species', 'change', 'side', 'EmptyParameter', 'EmptyParameter']
["Synset('category.n.02')", 'exchange-13.6.1', "Synset('object.n.01')", 'EmptyParameter', 'EmptyParameter']
The species changed sides constantly.
the Synset('category.n.02') changed Synset('object.n.01') constantly.