With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Black Eyed Peas has only ever performed opera music.
text_B: Elke Twesten -LRB- born 7 June 1963 in Scheeßel -RRB- is a German politician for the Alliance ' 90 / The Greens .. Scheeßel. Scheeßel. German. Germany
not_related.