With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sofia Coppola's father is an American director.
text_B: The men 's 100 metres at the 2011 Asian Athletics Championships was held at the Kobe Universiade Memorial Stadium on the 7 and 8 of July .. 2011 Asian Athletics Championships. 2011 Asian Athletics Championships. Kobe Universiade Memorial Stadium. Kobe Universiade Memorial Stadium
not_related.