['he', 'recheck', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'recheck', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
He checks and rechecks his calculations, but to no avail.
<PRP> Synset('negotiable_instrument.n.01') and rechecks <PRP> calculations, but to no Synset('utility.n.02').