With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A Monster Calls was written by Patrick Ness in 2002.
text_B: Prisoners ' Wives is a BBC drama series , created and written by Julie Gearey and starring Polly Walker , Pippa Haywood , Emma Rigby , Natalie Gavin , Sally Carman and Karla Crome , with supporting cast including Iain Glen , Adam Gillen , Jonas Armstrong , Reuben Johnson , Enzo Cilenti and Owen Roe .. Polly Walker. Polly Walker. Pippa Haywood. Pippa Haywood. Sally Carman. Sally Carman. Karla Crome. Karla Crome. Emma Rigby. Emma Rigby. Natalie Gavin. Natalie Gavin. BBC. BBC. Iain Glen. Iain Glen. Adam Gillen. Adam Gillen. Jonas Armstrong. Jonas Armstrong. Reuben Johnson. Reuben Johnson. Enzo Cilenti. Enzo Cilenti. Owen Roe. Owen Roe. The series centres on four very different women , each struggling to cope with a significant man in her life serving time in prison .. The series is set in Sheffield , South Yorkshire .. Sheffield. Sheffield. South Yorkshire. South Yorkshire. Series one was six episodes long , and premiered on Tuesday 31 January 2012 .. Series two was a shorter run of four episodes , and began on Thursday 14 March 2013 on BBC One .. BBC One. BBC One. BBC. BBC
not_related.