With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: HBO on-demand was the broadcast medium for the pilot of The Night Of.
text_B: Tiffindell Ski Resort a year round alpine resort , the only ski resort in South Africa and one of the two ski resorts in Southern Africa .. South Africa. South Africa. Southern Africa. Southern Africa. It was established in 1993 in the Southern Drakensberg , Tiffindell is rated number 19 on CNN 's `` Top 100 Ski Runs of the World '' .. Drakensberg. Drakensberg
not_related.