['they', 'get', 'EmptyParameter', 'ground', 'to']
['<PRP>', 'get-13.5.1-1', 'EmptyParameter', "Synset('physical_entity.n.01')", 'to']
Fortunately, they are able to get to high ground.
Fortunately, <PRP> are Synset('able.a.01') to get to Synset('high.a.04') Synset('physical_entity.n.01').