With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rey Mysterio never won a Royal Rumble.
text_B: The 2006 Legends Tour schedule featured four events showcasing professional women golfers aged 45 and older sanctioned by the LPGA Tour .. LPGA Tour. LPGA Tour. Based in the United States , it is the official senior tour of the LPGA Tour .. LPGA Tour. LPGA Tour. The tour was founded in 2000 by 25 veteran LPGA Tour players , and is intended to allow women to prolong their competitive golf careers on the model of the successful Champions Tour for men .. LPGA Tour. LPGA Tour. Champions Tour. Champions Tour
not_related.