['Paris', 'keep', 'eye', 'they', 'on'] ['Neelix', 'keep', 'eye', 'they', 'on']
['<LOCATION>1', 'keep-15.2', "Synset('region.n.03')", '<PRP>', 'on'] ['<PERSON>9', 'keep-15.2', "Synset('region.n.03')", '<PRP>', 'on']
Paris and Neelix kept an eye on them.
<LOCATION>1 and <PERSON>9 kept an Synset('region.n.03') on <PRP>.