['they', 'have', 'little', 'worth', 'over']
['<PRP>', 'own-100', "Synset('small.a.01')", "Synset('measure.n.02')", 'over']
They have only a little over a day's worth of air left.
<PRP> have only <DURATION>5 Synset('small.a.01') over <DURATION>5 day's Synset('measure.n.02') of Synset('auditory_communication.n.01') Synset('change_of_course.n.01').