['discussion', 'interrupt', 'EmptyParameter', 'signal', 'by']
["Synset('auditory_communication.n.01')", 'interrupt', 'EmptyParameter', "Synset('energy.n.01')", 'by']
The discussion is interrupted by a signal from the bridge.
the Synset('auditory_communication.n.01') is interrupted by a Synset('energy.n.01') from the Synset('deck.n.01').