With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Thirteen is based on the life of the film's writer.
text_B: is an ongoing Japanese romantic comedy shojo manga series by Maki Miyoshi and serialized by Kodansha in Bessatsu Friend .. Kodansha. Kodansha. Bessatsu Friend. Bessatsu Friend. romantic comedy. romantic comedy. shojo. shojo manga. manga. manga. The first volume was published on April 12 , 2013 .. A live-action film adaptation has been announced .. It will premiere in spring of 2017 .. The manga won the 41st Annual Kodansha Manga Award in the `` Shojo '' category in 2017 .. Kodansha. Kodansha. manga. manga. Kodansha Manga Award. Kodansha Manga Award
not_related.