['gangster', 'enter', 'building', 'EmptyParameter', 'EmptyParameter']
["Synset('principal.n.05')", 'escape-51.1-1-2', "Synset('social_group.n.01')", 'EmptyParameter', 'EmptyParameter']
The gangsters enter a building.
the Synset('principal.n.05') enter a Synset('social_group.n.01').