['he', 'join', 'EmptyParameter', 'Tucker', 'by']
['<PRP>', 'mix-22.1-2-1', 'EmptyParameter', '<PERSON>4', 'by']
He is joined by Lieutenant Charles Tucker, an engineer working on the NX Program.
<PRP> is joined by <PERSON>7 Tucker, an Synset('causal_agent.n.01') working on the <MISC>1.