[["The Yule Ball was a formal Christmas celebration held on 25 December for students of wizarding schools who participated in the Triwizard Tournament.   ", 174.0], ["In Harry potter, the Yule Ball is a tradition of the Triwizard Tournament. It is a formal dance held on the evening of Yule (the pagan Winter solstice-Christmas celebration) of a tournament year, and is opened by the tournament champions and their partners.", 0.0]]
when is the yule ball
literature,christmas,christmas carol