With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Buzz Aldrin worked formerly as an astronaut.
text_B: The 2008-09 Buffalo Bulls men 's basketball team represents the University at Buffalo in the 2008-09 college basketball season .. University at Buffalo. University at Buffalo. 2008-09. 2008-09 NCAA Division I men's basketball season. college basketball. college basketball. This is head coach Reggie Witherspoon 's tenth season at Buffalo .. Reggie Witherspoon. Reggie Witherspoon ( basketball coach )
not_related.