With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Nepal is a cheese.
text_B: Thomas `` Tommy '' Langan -LRB- 23 September 1921 -- 22 September 1974 -RRB- was an Irish Gaelic footballer who played as a centre-forward and as a full-forward for the Mayo senior team .. Mayo. Mayo GAA. Irish. Irish people. He is regarded as the greatest Gaelic football full-forward of all-time .. Gaelic football. Gaelic football. Langan joined the team during the 1943 championship and was a regular member of the starting fifteen until his retirement following the conclusion of the 1956 championship .. 1943 championship. All-Ireland Senior Football Championship 1943. 1956 championship. All-Ireland Senior Football Championship 1956. During that time he won two All-Ireland medals , five Connacht medals and two National League medals .. All-Ireland. All-Ireland Senior Football Championship. Connacht. Connacht Senior Football Championship. National League. National Football League ( Ireland )
not_related.