With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Istanbul did not have a strategic position on the Silk Road.
text_B: Paul Cutler -LRB- born 18 June 1946 in Welwyn Garden City -RRB- is an English former professional footballer who played in the Football League , as a winger .. Welwyn Garden City. Welwyn Garden City. English. English people. footballer. Association football. the Football League. the Football League. winger. Midfielder#Winger
not_related.