['he', 'leave', 'message', 'Nida', 'to']
['<PRP>', 'keep-15.2', "Synset('abstraction.n.06')", '<PERSON>6', 'to']
He left a hidden a message to Nida, with the cryptic words.
<PRP> left a hidden a Synset('abstraction.n.06') to Nida, with the cryptic Synset('identification.n.02').