With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Christopher Nolan has written a screenplay.
text_B: Emerson Floyd Martin -LRB- born May 6 , 1970 -RRB- is an American retired football player who played two game with the National Football League 's Carolina Panthers during its expansion year in 1995 .. Carolina Panthers. Carolina Panthers. football. American football. National Football League. National Football League. He was signed by the Panthers in January 1995 .. Martin played at guard for two games in 1995 , earning one start .. guard. Guard ( American and Canadian football ). He was released in October 1995 .
not_related.