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;;;  Walk about an utterance using features, relations etc.

(set! utt1 (Utterance Text "hello, this example has three syllables."))
(utt.synth utt1)

(format t "num syllables: %d\n"
	(length (utt.features utt1 'Syllable '(name))))

(set! segs (utt.relation.items utt1 'Segment))
(set! s1 (item.relation.parent (nth 2 segs) 'SylStructure))
(set! s2 (item.relation.parent (nth 3 segs) 'SylStructure))
(set! s3 (item.relation.parent (nth 4 segs) 'SylStructure))

(if (equal? s1 s2)
    (print "syls match: ok")
    (print "syls don't match: error"))
(if (not (equal? s2 s3))
    (print "syls don't match: ok")
    (print "syls match: error"))

(print
 (list
  (item.feat s3 'name)
  (item.feat s3 'R:SylStructure.daughter1.name)
  (item.feat s3 'R:Syllable.n.R:SylStructure.daughter1.name)
  (item.feat s3 'R:Syllable.p.R:SylStructure.daughter1.name)
  (item.feat s3 'R:SylStructure.parent.name)
  (item.feat s3 'R:SylStructure.parent.daughter1.daughtern.name)
  (item.feat s3 'R:SylStructure.parent.R:Token.parent.whitespace)
  (item.feat s3 'R:SylStructure.parent.R:Word.n.R:Token.parent.p.punc)
))