With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The premiere of Pan Am failed to ever air.
text_B: Lope Diaz III de Haro -LRB- b. ?. -- d. June 8 , 1288 , Alfaro -RRB- was a Spanish noble and head of the House of Haro .. Alfaro. Alfaro, La Rioja. House of Haro. House of Haro. He was the 8th Lord of Biscay , a post which he gained by hereditary means after the death of his father .. Lord of Biscay. Lord of Biscay. He held that title from 1254 until his own death in 1288 where he died attempting to assassinate the King of Castile .
not_related.