['they', 'pull', 'weapon', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'carry-11.4', "Synset('communication.n.01')", 'EmptyParameter', 'EmptyParameter']
They pull out their weapons and search for the source of the sound.
<PRP> pull out <PRP> Synset('communication.n.01') and Synset('investigation.n.02') for the Synset('idea.n.01') of the Synset('body_of_water.n.01').