['it', 'appear', 'chunk', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'seem-109-1-1-1', "Synset('indefinite_quantity.n.01')", 'EmptyParameter', 'EmptyParameter']
It would appear to be a chunk of the comet.
<PRP> would appear to be a Synset('indefinite_quantity.n.01') of the Synset('natural_object.n.01').