Assertion: mandolin's course | /r/HasProperty | 12 strings
Facets:
Source sentences:
text: It is a flatback instrument, with a wide neck and 4 courses (8 strings), 5 courses (10 strings) or 6 courses (12 strings).
text: It is a flatback instrument, with a wide neck and 4 courses (8 strings), 5 courses (10 strings) or 6 courses (12 strings).