Assertion: piano's category | /r/HasProperty | referred two players
Facets:
value: at one piano
type: LOCATION
Source sentences:
text: Specific categories of the piano repertoire can be referred to as, for example, solo piano repertoire (one player at one piano), piano duet repertoire (two players at one piano), or piano chamber repertoire (piano or pianos with one or more other instruments; may also be used to refer to the piano duet repertoire).