premise: The night we first met , at one of Mrs. Monmouth 's giant <mask> , he was wearing a brown cashmere jacket with silver buttons and a soft pink Viyella shirt ; instead of a necktie he wore a leather bolo drawn through a golden ring in which was set a lump of pale pure jade .
hypothesis: the proper context for <mask> here should be an occasion on which people can assemble for social interaction and entertainment