With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Pluto has gravity.
text_B: Sex in a Cold Climate is an 1998 Irish documentary film detailing the mistreatment of `` fallen women '' in the Magdalene laundries in Ireland .. documentary film. documentary film. fallen women. fallen women. Magdalene laundries in Ireland. Magdalene laundries in Ireland. It was produced and directed by Steve Humphries and narrated by Dervla Kirwan .. Dervla Kirwan. Dervla Kirwan. It was used as a source for the 2002 film , The Magdalene Sisters .. The Magdalene Sisters. The Magdalene Sisters. The film was produced by Testimony Films and aired on Channel 4 in March 1998 .. Testimony Films. Testimony Films. Channel 4. Channel 4
not_related.