Assertion: limelight | /r/ObjectUse | used in music halls
Facets:
Source sentences:
text: Limelight (also known as Drummond light or calcium light) is a type of stage lighting once used in theatres and music halls.
text: Limelight is a type of stage lighting once used in theaters and music halls.
text: Limelight is a type of stage lighting once used in theatres and music halls.