<<< 'list alice4' >>> ('alice4', ['marking2', ['fetching2', 'choosing1', 'fetching2', 'choosing2', 'fetching1', 'alice3'], 'listing', ['fetching2', 'choosing3', 'fetching2', 'choosing4', 'fetching1', 'alice3'], 'listing', ['fetching2', 'choosing5', 'fetching2', 'choosing6', 'fetching1', 'alice3'], 'listing', [50.0, 250.0, 50.0], 'concatenating', 'concatenating', 'concatenating', 'retaining1'])