['EmptyParameter', 'speak', 'EmptyParameter', 'Collective', 'until']
['EmptyParameter', 'lecture-37.11-1', 'EmptyParameter', "Synset('organization.n.01')", 'until']
Others to stop their conversation and not to speak until the Collective.
other to stop <PRP> Synset('auditory_communication.n.01') and not to speak until the Synset('organization.n.01').