['alien', 'walk', 'EmptyParameter', 'room', 'into']
["Synset('entrant.n.03')", 'run-51.3.2', 'EmptyParameter', "Synset('social_group.n.01')", 'into']
Four aliens walk into the room.
four Synset('entrant.n.03') walk into the Synset('social_group.n.01').