With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: U2 is a Polish band.
text_B: Carlos Javier Muniz -LRB- born March 12 , 1981 -RRB- is a former Major League Baseball relief pitcher .. Major League Baseball. Major League Baseball. relief pitcher. relief pitcher. Muniz made his major league debut on September 25 , .. He threw 1.1 innings and gave up 2 earned runs .. Muniz was called up to the Mets on May 27 , , to replace injured pitcher Matt Wise in the bullpen .. Matt Wise. Matt Wise. bullpen. bullpen. He was then sent back down to the New Orleans Zephyrs , which was the Mets Triple-A affiliate prior to 2009 .. New Orleans Zephyrs. New Orleans Zephyrs. He was then recalled on June 25 when Claudio Vargas was designated for assignment .. Claudio Vargas. Claudio Vargas
not_related.