['they', 'stick', 'EmptyParameter', 'lack', 'on']
['<PRP>', 'put-9.1', 'EmptyParameter', "Synset('condition.n.01')", 'on']
They get stuck on the lack of cold beer in the classical age.
<PRP> get stuck on the Synset('condition.n.01') of Synset('cold.a.01') Synset('alcohol.n.01') in the Synset('classical.a.03') Synset('time_period.n.01').