Assertion: percussion instrument | /r/HasProperty | triangle
Facets:
Source sentences:
text: The most common percussion instruments in the orchestra include the timpani, xylophone, cymbals, triangle, snare drum, bass drum, tambourine, maracas, gongs, chimes, celesta, and piano.
text: Percussion instruments include drums, cymbals, triangle, chimes, tam-tam, glockenspiel, timpani, bells, and xylophone.