With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Hermetic Order of the Golden Dawn was an institution.
text_B: The women 's 200 metres event at the 2015 European Athletics U23 Championships was held in Tallinn , Estonia , at Kadriorg Stadium on 10 and 11 July .. 200 metres. 200 metres. 2015 European Athletics U23 Championships. 2015 European Athletics U23 Championships. Tallinn. Tallinn. Kadriorg Stadium. Kadriorg Stadium
not_related.