Assertion: m wave | /r/HasProperty | a covered speed skating oval
Facets:
value: in the city of nagano
type: LOCATION
Source sentences:
text: Nagano Olympic Memorial Arena (長野市オリンピック記念アリーナ, Naganoshi Orinpikku Kinen Ari-na), or M-Wave (エムウェーブ, emu-ue-bu), is a covered speed skating oval in the city of Nagano, Japan.