['he', 'signal', 'officer', 'EmptyParameter', 'EmptyParameter'] ['officer', 'assist', 'one', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'instr_communication-37.4.1', "Synset('sailor.n.01')", 'EmptyParameter', 'EmptyParameter'] ["Synset('sailor.n.01')", 'help-72.1-1-1', 'one', 'EmptyParameter', 'EmptyParameter']
He signals the officer to assist the downed one.
<PRP> signals the Synset('sailor.n.01') to assist the downed one.