With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Brazil was claimed for the Spanish Empire in 1500.
text_B: Christopher Don Seelbach -LRB- born December 18 , 1972 -RRB- is a former Major League Baseball pitcher who played for the Atlanta Braves from - .. Atlanta Braves. Atlanta Braves. Major League Baseball. Major League Baseball. pitcher. pitcher. He also played for the Hokkaido Nippon Ham Fighters of Japan 's Nippon Professional Baseball in .. Hokkaido Nippon Ham Fighters. Hokkaido Nippon Ham Fighters. Nippon Professional Baseball. Nippon Professional Baseball. He was hit on the head by Houston Astros first baseman Lance Berkman .. He was immediately taken of the field and sent to the hospital .. He did recover .
not_related.