['it', 'get', 'colder', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'get-13.5.1-1', "Synset('cold.a.02')", 'EmptyParameter', 'EmptyParameter']
Back at the camp at night, it has gotten colder.
back at the Synset('tract.n.01') at night, <PRP> has gotten Synset('cold.a.02').