With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Michael C. Hall was unable to be cast in Dexter.
text_B: Madchen , Madchen -LRB- English  : Girls , Girls -RRB- , also known as Girls on Top , is a 2001 German film directed by Dennis Gansel .. Dennis Gansel. Dennis Gansel. Its story is about an eighteen-year-old girl named Inken -LRB- Diana Amft -RRB- , who is frustrated at not having had an orgasm yet with her boyfriend .. Diana Amft. Diana Amft. Her two best friends are Vicky -LRB- Felicitas Woll -RRB- , who is in the same situation as Inken , and the still virgin Lena -LRB- Karoline Herfurth -RRB- .. Karoline Herfurth. Karoline Herfurth. Felicitas Woll. Felicitas Woll. The movie is about the girls ' search to find someone to give them an orgasm .. The film was followed by a 2004 sequel , Madchen , Madchen 2 - Loft oder Liebe .. The film had over 1,700,000 admissions in Germany and grossed $ 233,538 in Russia .
not_related.