['alien', 'step', 'effort', 'EmptyParameter', 'EmptyParameter']
["Synset('entrant.n.03')", 'run-51.3.2', "Synset('action.n.01')", 'EmptyParameter', 'EmptyParameter']
The aliens step up their efforts, rapidly wearing the deflector shields down.
the Synset('entrant.n.03') step up <PRP> efforts, rapidly wearing the deflector <OBJECT>0 down.