['he', 'give', 'serum', 'she', 'on'] ['he', 'start', 'operate', 'EmptyParameter', 'EmptyParameter'] ['he', 'operate', 'EmptyParameter', 'she', 'on']
['<PRP>', 'give-13.1-1', "Synset('body_substance.n.01')", '<PRP>', 'on'] ['<PRP>', 'begin-55.1', 'other_cos-45.4', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'function-105.2.1', 'EmptyParameter', '<PRP>', 'on']
He gives her an anti-radiation serum, and then starts to operate on her.
<PRP> gives <PRP> an anti-radiation serum, and then starts to operate on <PRP>.