SkiResort should be subclassof Resort, as well as of SportsActivityLocation
SkiResort should be subclassof Resort, as well as of SportsActivityLocation

Fixes #2647

schemaorg/schemaorg,schemaorg/schemaorg,vholland/schemaorg,vholland/schemaorg,vholland/schemaorg,schemaorg/schemaorg,vholland/schemaorg,schemaorg/schemaorg,schemaorg/schemaorg