Assertion: double bass's size | /r/HasProperty | 310 mm
Facets:
Source sentences:
text: A 3/4 violin is 335 mm, and a 1/2 size is 310 mm.
text: A ​3⁄ 4 violin's body length is 335 mm (13.2 in), and a ​1⁄ 2 size is 310 mm (12.2 in).