['Boothby', 'use', 'coach', 'he', 'EmptyParameter']
['<PERSON>5', 'use-105.1', "Synset('educator.n.01')", '<PRP>', 'EmptyParameter']
Boothby, who used to coach him as a cadet, is in his corner.
Boothby, who used to Synset('educator.n.01') <PRP> as a cadet, is in <PRP> Synset('difficulty.n.03').