['he', 'have', 'helium', 'EmptyParameter', 'EmptyParameter'] ['she', 'need', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['she', 'agree', 'meet', 'EmptyParameter', 'EmptyParameter'] ['she', 'meet', 'EmptyParameter', 'exchange', 'for']
['<PRP>', 'own-100', "Synset('substance.n.01')", 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'want-32.1', 'EmptyParameter', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'correspond-36.1.1', 'meet-36.3-1', 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'meet-36.3-1', 'EmptyParameter', "Synset('action.n.01')", 'for']
He does have liquid helium which she needs, therefore, she agrees to meet for an exchange.
<PRP> does have Synset('melted.a.01') Synset('substance.n.01') which <PRP> needs, therefore, <PRP> agrees to meet for an Synset('action.n.01').