Assertion: russian guitar | /r/HasProperty | a gypsy guitar
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: The Russian guitar (sometimes referred to as a "Gypsy guitar") is an acoustic seven-string guitar that was developed in Russia toward the end of the 18th century: it shares most of its organological features with the Spanish guitar, although some historians insist on English guitar ascendancy.