['he', 'join', 'EmptyParameter', 'Soval', 'by']
['<PRP>', 'mix-22.1-2-1', 'EmptyParameter', '<PERSON>3', 'by']
He is joined by Ambassador Soval and Stel, chief investigator of the Vulcan Security Directorate.
<PRP> is joined by <PERSON>3 and Stel, <PERSON>7 Synset('person.n.01') of the <ORGANIZATION>0.