['they', 'discuss', 'plan', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'chit_chat-37.6', "Synset('content.n.05')", 'EmptyParameter', 'EmptyParameter']
On their way down to the planet in a shuttlecraft, they discuss their plans.
on <PRP> Synset('concept.n.01') down to the Synset('natural_object.n.01') in a shuttlecraft, <PRP> discuss <PRP> Synset('content.n.05').