With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tokyo Ghoul was incapable of having the character Ken Kaneki.
text_B: For the murder cases of Seth and Tegan Davis , see Marybeth Davis .. Marybeth Davis. Marybeth Davis. Seth Davis is a former writer for Sports Illustrated magazine , a host on Campus Insiders , and an in-studio analyst for CBS ' NCAA men 's college basketball coverage with Clark Kellogg , Doug Gottlieb , and host Greg Gumbel .. Sports Illustrated. Sports Illustrated. Campus Insiders. Campus Insiders. CBS. CBS. NCAA. NCAA. college basketball. college basketball. Clark Kellogg. Clark Kellogg. Doug Gottlieb. Doug Gottlieb. Greg Gumbel. Greg Gumbel
not_related.