['truck', 'disappear', 'EmptyParameter', 'sight', 'from']
["Synset('wheeled_vehicle.n.01')", 'disappearance-48.2', 'EmptyParameter', "Synset('sensing.n.02')", 'from']
The truck has disappeared from sight.
the Synset('wheeled_vehicle.n.01') has disappeared from Synset('sensing.n.02').