['crew', 'listen', 'EmptyParameter', 'message', 'to']
["Synset('unit.n.03')", 'rummage-35.5', 'EmptyParameter', "Synset('abstraction.n.06')", 'to']
In a senior staff briefing, the crew listens to the message.
in a Synset('senior.a.01') Synset('social_group.n.01') briefing, the Synset('unit.n.03') listens to the Synset('abstraction.n.06').