With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Batman was promoted by 20th Century Fox.
text_B: The Frauen-Bundesliga 2006 -- 07 was the 17th season of the Frauen-Bundesliga , Germany 's premier football league .. Frauen-Bundesliga. Frauen-Bundesliga. football. association football. It began on 10 September 2006 and ended on 10 June 2007 .
not_related.