['he', 'grab', 'hold', 'EmptyParameter', 'EmptyParameter'] ['he', 'slam', 'it', 'desk', 'onto']
['<PRP>', 'hold-15.1', "Synset('subjugation.n.01')", 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'spank-18.3', '<PRP>', "Synset('furniture.n.01')", 'onto']
After ignoring it for a few seconds, he grabs hold of it and slams it onto his desk.
after ignoring <PRP> for <DURATION>1 seconds, <PRP> grabs Synset('subjugation.n.01') of <PRP> and slams <PRP> onto <PRP> Synset('furniture.n.01').