['he', 'get', 'lock', 'it', 'on']
['<PRP>', 'comprehend-87.2-1', "Synset('device.n.01')", '<PRP>', 'on']
He is unable to get a transporter lock on it.
<PRP> is Synset('unable.a.01') to get a Synset('lifting_device.n.01') Synset('device.n.01') on <PRP>.