With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Promise premiered on September 11, 1997.
text_B: The Pierra Menta has been an annual competition of ski mountaineering at Areches-Beaufort in the region of Beaufort , Savoie south-eastern France since 1986 .. ski mountaineering. ski mountaineering. Areches-Beaufort. Areches-Beaufort. The Pierra Menta is one of the three best known races of the Alps -LRB- les grandes trois de ski de montagne -RRB- besides the Patrouille des Glaciers and the Trofeo Mezzalama .. Alps. Alps. Patrouille des Glaciers. Patrouille des Glaciers. Trofeo Mezzalama. Trofeo Mezzalama. Pierra Menta is a stage of La Grande Course that includes the most important ski mountaineering competitions of the season .. ski mountaineering. ski mountaineering. La Grande Course. La Grande Course. The athletes have to travel a cumulative altitude difference of around 10 000 meters , both ascending and skiing down .. The race track is to be completed in teams of two and it varies year by year .. The distance for the younger classes is shorter .
not_related.