['tpol', 'discuss', 'evening', 'EmptyParameter', 'EmptyParameter'] ['Archer', 'discuss', 'evening', 'EmptyParameter', 'EmptyParameter']
['<PERSON>0', 'chit_chat-37.6', '<TIME>0', 'EmptyParameter', 'EmptyParameter'] ['<PERSON>2', 'chit_chat-37.6', '<TIME>0', 'EmptyParameter', 'EmptyParameter']
Later, Tpol and Archer discuss the evening.
Later, <PERSON>0 and <PERSON>2 discuss the <TIME>0.