With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Penny Dreadful had an ten-episode season.
text_B: Sir John William Elvidge KCB -LRB- born 9 February 1951 -RRB- is the former Permanent Secretary to the Scottish Government .. KCB. Order of the Bath. Permanent Secretary to the Scottish Government. Office of the Permanent Secretary ( Scotland ). Permanent Secretary. Permanent Secretary. Scottish Government. Scottish Government. He was appointed in July 2003 , replacing Sir Muir Russell .. Muir Russell. Muir Russell. He retired from the post in June 2010 .
not_related.