With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Roger Moore died five months before May.
text_B: The women 's 1500 metres competition was an event at the 2012 Summer Olympics in London , United Kingdom .. 2012 Summer Olympics. 2012 Summer Olympics. London. London. United Kingdom. United Kingdom. The competition was held at the Olympic Stadium from 6 -- 10 August .. Olympic Stadium. Olympic Stadium ( London )
not_related.