['difference', 'be', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['he', 'write', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
["Synset('definite_quantity.n.01')", 'representation-110.1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'say-37.7-1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
There are subtle differences between the girls he is writing to.
there are subtle Synset('definite_quantity.n.01') between the Synset('person.n.01') <PRP> is writing to.