With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ed Sheeran's birthday takes place on February 17.
text_B: The Beat Bullies are an Atlanta-based music production duo .. Atlanta. Atlanta. They helped produced Chamillionaire 's debut album The Sound of Revenge .. Chamillionaire. Chamillionaire. The Sound of Revenge. The Sound of Revenge. They also have worked with numerous Atlanta-based rappers such as T.I. and Ludacris .. Atlanta. Atlanta. Ludacris. Ludacris
not_related.