['they', 'hail', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['Shuttlepod', 'free', 'they', 'cannon', 'by']
['<PRP>', 'judgment-33.1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['<VESSEL>2', 'free-10.6.3-1', '<PRP>', "Synset('maneuver.n.03')", 'by']
Then they are hailed -- it is Shuttlepod 2, which frees them by firing phase cannons at the docking clamps.
then <PRP> are hailed -- <PRP> is <VESSEL>2 2, which frees <PRP> by Synset('operation.n.05') Synset('chemical_phenomenon.n.01') Synset('maneuver.n.03') at the Synset('action.n.01') <MISC>6.