With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Iran has lost territory.
text_B: The Roman Catholic Diocese of Mawlamyine -LRB- Lat  : Diocesis Maulamyinensis -RRB- is a diocese of the Latin Rite of the Roman Catholic Church in Burma .. Roman Catholic. Roman Catholic. Mawlamyine. Mawlamyine. diocese. diocese. Latin Rite. Latin Rite. Roman Catholic Church. Roman Catholic Church. Burma. Burma. The diocese was erected in 1993 , from its metropolitan , the Archdiocese of Yangon .. Yangon. Roman Catholic Archdiocese of Yangon. diocese. diocese. Archdiocese of Yangon. Roman Catholic Archdiocese of Yangon. The first and only bishop of the diocese is Raymond Saw Po Ray , appointed in 1993 .. diocese. diocese
not_related.