With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Maggie Gyllenhaal was in a film directed by Susanna White.
text_B: Dokument .. Program Strefa - Released with Polish art critics magazine Obieg no. 3 -LRB- 71 -RRB- in April 2005 .. The album features fragments of concerts organised in 1999-2004 as part of the Ujazdowski Castle Centre for Contemporary Art 's `` Strefa '' Program .
not_related.