With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Russ is a billionaire.
text_B: The Women 's madison at the UEC European Track Championships will be completed for first time in 2016 in Saint-Quentin-en-Yvelines , France .. UEC European Track Championships. UEC European Track Championships. Saint-Quentin-en-Yvelines. Saint-Quentin-en-Yvelines
not_related.