With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Stevie Nicks released "Bella Donna" which reached platinum status less than three months after its release.
text_B: SV Blau Weiss Berlin is a German football club based in Berlin , currently playing in the Landesliga Berlin Staffel 2 -LRB- VII -RRB- .. Landesliga. Landesliga. German football club. Football in Germany. Berlin. Berlin
not_related.