With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Saratoga is a film from the United States..
text_B: Cohors prima Aelia Dacorum -LRB- `` 1st Aelian Cohort of Dacians '' -RRB- was an infantry regiment of the Auxilia corps of the Imperial Roman army .. Auxilia. Auxilia. Imperial Roman army. Imperial Roman army. It was first raised by the Roman emperor Hadrian -LRB- r. AD 117-38 -RRB- in the Roman province of Dacia not later than AD 125 and its last surviving record dates c. 400 .. Roman emperor. Roman emperor. Hadrian. Hadrian. Dacia. Roman Dacia. It was deployed , for virtually its entire history , in forts on Hadrian 's Wall on the northern frontier of Britannia province .. Britannia. Britannia. Hadrian. Hadrian
not_related.