With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Cage Warriors was established in 2001.
text_B: Alberto Fontana -LRB- born 23 January 1967 -RRB- is an Italian retired footballer who played as a goalkeeper .. footballer. Association football. goalkeeper. Goalkeeper ( association football ). During his career , in which he represented nine different clubs , he played until the age of 42 .. He played in 241 Serie A games during 15 seasons , representing in the competition Cesena , Bari , Atalanta , Napoli , Inter Milan , Chievo and Palermo .. Cesena. A.C. Cesena. Bari. A.S. Bari. Atalanta. Atalanta B.C.. Napoli. S.S.C. Napoli. Inter Milan. Inter Milan. Chievo. A.C. Chievo Verona. Palermo. U.S. Citta di Palermo. Serie A. Serie A
not_related.