With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: "I Can't Explain" was The Who's first single.
text_B: Leonard Leisching -LRB- born 11 September 1934 -RRB- is a former boxer from South Africa , bronze medalist at the 1952 Summer Olympics in Helsinki and gold medalist at the 1954 British Empire and Commonwealth Games in Vancouver .. Commonwealth Games. Boxing at the Commonwealth Games. South Africa. South Africa. 1952 Summer Olympics. 1952 Summer Olympics. Helsinki. Helsinki. 1954 British Empire and Commonwealth Games. 1954 British Empire and Commonwealth Games. Vancouver. Vancouver. Leisching was also an accomplished footballer , appearing as a full-back for Johannesburg Rangers , Wigan Athletic , Llandudno and Southern Suburbs .. Johannesburg Rangers. Rangers Johannesburg. Wigan Athletic. Wigan Athletic F.C.. Llandudno. Llandudno F.C.. Southern Suburbs. Southern Suburbs
not_related.