With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Robin Thicke sings the duet My Heart Will Go On with Mary J. Blige.
text_B: Roger Allen Slifer -LRB- November 11 , 1954 -- March 30 , 2015 -RRB- was an American writer of comic books , animation , and video games , who co-created the character Lobo for DC Comics .. Lobo. Lobo ( DC Comics ). DC Comics. DC Comics. Among the many comic-book series for which he wrote was that publisher 's Omega Men for a run in the 1980s .. Omega Men. Omega Men. Slifer was the victim of a hit-and-run accident in 2012 that left him in institutional care until his death .
not_related.