['they', 'start', 'engine', 'EmptyParameter', 'EmptyParameter'] ['they', 'leave', 'bay', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'begin-55.1-1-1', "Synset('wheeled_vehicle.n.01')", 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'become-109.1-1-1', "Synset('angiospermous_tree.n.01')", 'EmptyParameter', 'EmptyParameter']
They start the engines and leave the bay to join the other waiting racers at the starting point.
<PRP> start the Synset('wheeled_vehicle.n.01') and leave the Synset('angiospermous_tree.n.01') to join the Synset('other.a.01') waiting Synset('operator.n.02') at the starting Synset('debt.n.02').