['discharge', 'penetrate', 'hull', 'EmptyParameter', 'EmptyParameter']
["Synset('change_of_state.n.01')", 'penetrate', "Synset('artifact.n.01')", 'EmptyParameter', 'EmptyParameter']
An EM discharge had penetrated the hull.
an Synset('unit_of_measurement.n.01') Synset('change_of_state.n.01') had penetrated the Synset('artifact.n.01').