['she', 'chase', 'swarm', 'hour', 'for'] ['brother', 'chase', 'swarm', 'hour', 'for']
['<PRP>', 'chase-51.6', "Synset('abstraction.n.06')", '<DURATION>7', 'for'] ["Synset('person.n.01')", 'chase-51.6', "Synset('abstraction.n.06')", '<DURATION>7', 'for']
She and her brother once chased a swarm of ice-bores near the planet's surface for two hours.
<PRP> and <PRP> Synset('person.n.01') once chased a Synset('abstraction.n.06') of ice-bore near the planet's Synset('feature.n.01') for <NUMBER>0 <DURATION>7.