['canvas', 'show', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
["Synset('fabric.n.01')", 'transfer_mesg-37.1.1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
Only a black canvas shows up.
only a Synset('black.a.02') Synset('fabric.n.01') shows up.