['he', 'feel', 'something', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'conjecture-29.5', "Synset('entity.n.01')", 'EmptyParameter', 'EmptyParameter']
Now he feels something inside his head.
<DATE>0 <PRP> feels Synset('entity.n.01') inside <PRP> Synset('region.n.01').