With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Taylor Kitsch is a politician.
text_B: The Battle of Mauropotamos was fought in 844 , between the armies of the Byzantine Empire and the Abbasid Caliphate , at Mauropotamos -LRB- either in northern Bithynia or in Cappadocia -RRB- .. Abbasid Caliphate. Abbasid Caliphate. Byzantine Empire. Byzantine Empire. Bithynia. Bithynia. Cappadocia. Cappadocia. After a failed Byzantine attempt to recover the Emirate of Crete in the previous year , the Abbasids launched a raid into Asia Minor .. Asia Minor. Asia Minor. Emirate of Crete. Emirate of Crete. The Byzantine regent , Theoktistos , headed the army that went to meet the invasion but was heavily defeated , and many of his officers defected to the Arabs .. Theoktistos. Theoktistos. Arabs. Arabs. Internal unrest prevented the Abbasids from exploiting their victory , however .. A truce and a prisoner exchange were consequently agreed in 845 , followed by a six-year cessation of hostilities , as both powers focused their attention elsewhere .. prisoner exchange. Arab–Byzantine prisoner exchanges
not_related.