With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John Stewart was the first African American superhero to appear in DC comics.
text_B: John Stewart , known as Green Lantern , is a fictional superhero appearing in American comic books published by DC Comics and was the first African-American superhero to appear in DC Comics .. DC Comics. DC Comics. Green Lantern. Green Lantern ( comic book ). superhero. superhero. The character was created by Dennis O'Neil and Neal Adams , and first appeared in Green Lantern # 87 -LRB- December 1971 -RRB- .. Green Lantern. Green Lantern ( comic book ). Dennis O'Neil. Dennis O'Neil. Neal Adams. Neal Adams
related.