['they', 'try', 'prevent', 'EmptyParameter', 'EmptyParameter'] ['they', 'prevent', 'flight', 'EmptyParameter', 'EmptyParameter'] ['they', 'stop', 'EmptyParameter', 'group', 'by']
['<PRP>', 'try-61.1', 'forbid-64.4', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'forbid-64.4', "Synset('way.n.06')", 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'stop-55.4-1-1', 'EmptyParameter', "Synset('thing.n.12')", 'by']
They had tried to prevent the flight, but were stopped by a group of Humans, also from the future.
<PRP> had tried to prevent <DATE>3 flight, but were stopped by a Synset('thing.n.12') of Humans, also from <DATE>3.