['face', 'replace', 'EmptyParameter', 'image', 'by']
["Synset('body_part.n.01')", 'substitute-13.6.2', 'EmptyParameter', "Synset('abstraction.n.06')", 'by']
First's sullen face is replaced by the image of the cube.
First's sullen Synset('body_part.n.01') is replaced by the Synset('abstraction.n.06') of the Synset('artifact.n.01').