['he', 'begin', 'experience', 'EmptyParameter', 'EmptyParameter'] ['he', 'experience', 'discomfort', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'begin-55.1', 'sight-30.2', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'sight-30.2', "Synset('pain.n.02')", 'EmptyParameter', 'EmptyParameter']
He begins to experience discomfort.
<PRP> begins to experience Synset('pain.n.02').