With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Catherine Tregenna has only ever worked in romance.
text_B: Catherine Tregenna is a Welsh playwright , television scriptwriter and actress .. Welsh. Wales. She wrote the play Art and Guff , co-wrote the series Cowbois ac Injans and four episodes of the BBC 's science fiction drama Torchwood  : `` Out of Time '' , `` Captain Jack Harkness '' , `` Meat '' and `` Adam '' .. Cowbois ac Injans. Cowbois ac Injans. BBC. BBC. science fiction. science fiction. Torchwood. Torchwood. Out of Time. Out of Time ( Torchwood ). Captain Jack Harkness. Captain Jack Harkness ( Torchwood episode ). Meat. Meat ( Torchwood ). Adam. Adam ( Torchwood ). As well as co-writing Meat , she also created the meat props shown in the episode .. Meat. Meat ( Torchwood ). `` Captain Jack Harkness '' was nominated for the 2008 Hugo Award for Best Dramatic Presentation , Short Form .. Captain Jack Harkness. Captain Jack Harkness ( Torchwood episode ). She has also written episodes for EastEnders , Casualty , and for the first four series of ITV1 crime drama Law & Order  : UK , which began transmitting in February 2009 .. EastEnders. EastEnders. Casualty. Casualty ( TV series ). ITV1. ITV1. She played the character Kirsty McGurk , for several years , in Pobol Y Cwm and a doctor in Satellite City .. Pobol Y Cwm. Pobol Y Cwm. Satellite City. Satellite City ( sitcom ). In November 2014 , it was confirmed that she would be writing an episode for the ninth series of Doctor Who , later confirmed to be titled `` The Woman Who Lived '' .. ninth series. Doctor Who ( series 9 ). Doctor Who. Doctor Who. The Woman Who Lived. The Woman Who Lived
related.