['they', 'exit', 'EmptyParameter', 'seconds', 'in']
['<PRP>', 'escape-51.1-1-1', 'EmptyParameter', '<DURATION>4', 'in']
At their rate of speed, they will exit in forty seconds.
at <PRP> Synset('quotient.n.01') of speed, <PRP> will exit in <DURATION>4.