['they', 'have', 'time', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'own-100', "Synset('time_period.n.01')", 'EmptyParameter', 'EmptyParameter']
They have some time before the beginning of the conference.
<PRP> have some Synset('time_period.n.01') before the Synset('change.n.03') of the Synset('organization.n.01').