With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Brittany Murphy worked alongside Jake Gyllenhaal.
text_B: The women 's sprint -LRB- 2970 meters -RRB- event at the 2011 Asian Winter Games was held on 31 January at the Almaty Biathlon and Cross-Country Ski Complex .. Biathlon and Cross-Country Ski Complex. Soldatskoe Valley Cross Country Skiing and Biathlon Stadium. 2011 Asian Winter Games. 2011 Asian Winter Games
not_related.