With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Michael Jackson made his debut with his elder brothers.
text_B: Simone Mathes -LRB- born March 13 , 1975 in Stadtsteinach , Bavaria -RRB- is a retired female hammer thrower from Germany .. Stadtsteinach. Stadtsteinach. Bavaria. Bavaria. Germany. Germany. She set her personal best -LRB- 67.97 metres -RRB- on May 31 , 2004 at a meet in Frankisch-Crumbach .. Frankisch-Crumbach. Frankisch-Crumbach. Mathes also competed in the discus throw and the shot put .. discus throw. discus throw. shot put. shot put. She is a five-time national champion in the women 's hammer throw -LRB- 1993 , 1994 , 1997 , 1998 , and 1999 -RRB- .. hammer throw. hammer throw
not_related.