Assertion: acoustic guitar | /r/HasAspect | six strings
Facets:
value: almost always
type: TEMPORAL
Source sentences:
text: Acoustic guitars almost always have six strings.
text: 12-string acoustic guitars have twice as many strings because each string course is doubled, like a mandolin.
text: It has six strings which pass from tuning pegs over the instrument's neck which is marked with lines called frets.