With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rope starred James Stewart, John Dall, and Farley Granger.
text_B: The House of Mansfeld was a princely German house , which took its name from the town of Mansfeld in the present-day state of Saxony-Anhalt .. German. Germans. Mansfeld. Mansfeld. Saxony-Anhalt. Saxony-Anhalt. Mansfelds were archbishops , generals , supporters as well as opponents of Martin Luther , and Habsburg administrators .. Martin Luther. Martin Luther. Habsburg. Habsburg Monarchy
not_related.