['racer', 'instruct', 'stop', 'EmptyParameter', 'EmptyParameter'] ['racer', 'stop', 'position', 'EmptyParameter', 'EmptyParameter'] ['racer', 'hold', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
["Synset('snake.n.01')", 'advise-37.9', 'stop-55.4-1-1', 'EmptyParameter', 'EmptyParameter'] ["Synset('snake.n.01')", 'stop-55.4-1-1', "Synset('message.n.02')", 'EmptyParameter', 'EmptyParameter'] ["Synset('snake.n.01')", 'exist-47.1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter']
All racers are instructed to stop and hold their positions.
all Synset('snake.n.01') are instructed to stop and hold <PRP> Synset('message.n.02').