With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Mughal Empire was ruled by followers of Genghis Khan.
text_B: Sebastian Carlos Cristoforo Pepe -LRB- born 23 August 1993 -RRB- is a Uruguayan professional footballer who plays as a midfielder for Italian club Fiorentina , on loan from Sevilla .. Fiorentina. ACF Fiorentina. Sevilla. Sevilla FC. footballer. Association football. midfielder. midfielder
not_related.