With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Warren Buffett is an American business magnate.
text_B: Willie Mullan was a Northern Irish Evangelist .. Northern Irish. People of Northern Ireland. Evangelist. Evangelism. He was born in Newtownards , County Down , Ireland in 1911 .. Newtownards. Newtownards. County Down. County Down. Ireland. Ireland. In his book Tramp after God , he tells of living for more than three years as a tramp abusing alcohol and involved in crime .. Willie Mullan had a religious conversion and from that time forward he decided he would strive to serve God .. religious conversion. religious conversion
not_related.