['she', 'explain', 'EmptyParameter', 'he', 'to'] ['hole', 'do', 'EmptyParameter', 'they', 'to']
['<PRP>', 'indicate-78', 'EmptyParameter', '<PRP>', 'to'] ["Synset('rima.n.01')", 'act-114', 'EmptyParameter', '<PRP>', 'to']
She explains to him the black hole is doing to them.
<PRP> explains to <PRP> the Synset('black.a.01') Synset('rima.n.01') is doing to <PRP>.