With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Frank Sinatra was born in May.
text_B: is a series of Japanese novels written by Hideyuki Kikuchi and illustrated by Jun Suemi .. Hideyuki Kikuchi. Hideyuki Kikuchi. Jun Suemi. Jun Suemi. The story takes place in Demon City Shinjuku 's universe and feature common characters .. Demon City Shinjuku. Demon City Shinjuku
not_related.