With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The University of Oxford does not operate the world's oldest museum.
text_B: Helen de Lacey Evans -LRB- nee Helen Carter ; b. 1833 / 4 -RRB- was the fifth member of the Edinburgh Seven , a group of women who enrolled at the University of Edinburgh in 1869 , and who sought to qualify as physicians .. Edinburgh Seven. Edinburgh Seven. University of Edinburgh. University of Edinburgh. She subsequently married the editor of the Scotsman , Alexander Russel .. Alexander Russel. Alexander Russel. She was also the mother of the suffragist and feminist campaigner Helen Archdale .. Helen Archdale. Helen Archdale
not_related.