['they', 'arrive', 'EmptyParameter', 'point', 'at']
['<PRP>', 'escape-51.1-1', 'EmptyParameter', "Synset('written_symbol.n.01')", 'at']
They arrive at their rendezvous point.
<PRP> arrive at <PRP> Synset('assembly.n.06') Synset('written_symbol.n.01').