With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Unforgettable is a TV series.
text_B: Unforgettable is a 2017 American erotic thriller film directed by Denise Di Novi -LRB- in her directorial debut -RRB- and written by Christina Hodson and David Leslie Johnson .. Denise Di Novi. Denise Di Novi. Christina Hodson. Christina Hodson. David Leslie Johnson. David Leslie Johnson. erotic thriller. erotic thriller. The film stars Katherine Heigl , Rosario Dawson , Geoff Stults , Isabella Rice and Cheryl Ladd , and follows a divorcee who begins to torment the new fiance of her ex-husband .. Katherine Heigl. Katherine Heigl. Rosario Dawson. Rosario Dawson. Geoff Stults. Geoff Stults. Isabella Rice. Isabella Rice. Cheryl Ladd. Cheryl Ladd. Principal photography began on August 17 , 2015 in Los Angeles .. Principal photography. Principal photography. Los Angeles. Los Angeles. The film was released on April 21 , 2017 by Warner Bros. and has grossed $ 15 million against its $ 12 million budget .
related.