With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Grant Gustin performed the role of Sebastian Smythe.
text_B: The 2009 Morocco Tennis Tour -- Meknes was a professional tennis tournament played on outdoor clay courts .. Meknes. Meknes. Morocco. Morocco. tennis. tennis. outdoor clay courts. Tennis court#Clay courts. It was part of the 2009 ATP Challenger Tour .. 2009 ATP Challenger Tour. 2009 ATP Challenger Tour. It took place in Meknes , Morocco between 23 and 29 February 2009 .. Meknes. Meknes. Morocco. Morocco
not_related.