['Neelix', 'express', 'concern', 'EmptyParameter', 'EmptyParameter']
['<PERSON>6', 'reflexive_appearance-48.1.2', "Synset('stimulation.n.02')", 'EmptyParameter', 'EmptyParameter']
Neelix expresses concern about.
<PERSON>6 expresses Synset('stimulation.n.02') about.