['Tuvok', 'concern', 'EmptyParameter', 'risk', 'about']
['<PERSON>4', 'amuse-31.1', 'EmptyParameter', "Synset('measure.n.02')", 'about']
Tuvok is concerned about the security risk.
<PERSON>4 is concerned about the Synset('division.n.04') Synset('measure.n.02').