['they', 'enter', 'field', 'EmptyParameter', 'EmptyParameter'] ['they', 'find', 'it', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'escape-51.1-1-2', "Synset('percept.n.01')", 'EmptyParameter', 'EmptyParameter'] ['<PRP>', 'discover-84', '<PRP>', 'EmptyParameter', 'EmptyParameter']
They enter an open, grassy field and find it.
<PRP> enter an open, Synset('grassy.a.01') Synset('percept.n.01') and find <PRP>.