Assertion: zither's string | /r/HasProperty | bamboo
Facets:
Source sentences:
text: The strings are now metal but were bamboo which a 100 years of plucking bamboo you would suspect it would have been broke and needed replaced long before.
text: The bamboo prototypes are said to be idiochordic because their strings, part of the bamboo itself, are worked loose from the tough surface of the tube, to which they remain attached at either end.