['he', 'give', 'signal', 'MACO', 'EmptyParameter']
['<PRP>', 'give-13.1', "Synset('energy.n.01')", '<OBJECT>4', 'EmptyParameter']
He gives the MACO an all-clear signal, moments.
<PRP> gives the <OBJECT>4 an all-clear signal, Synset('datum.n.01').