['they', 'have', 'stowaway', 'EmptyParameter', 'EmptyParameter']
['<PRP>', 'own-100', "Synset('traveler.n.01')", 'EmptyParameter', 'EmptyParameter']
They now had a stowaway on board.
<PRP> <DATE>0 had a Synset('traveler.n.01') on Synset('electronic_device.n.01').