With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Richard Nixon's wife's name was Thelma.
text_B: Santiago Ramirez -LRB- born August 15 , 1978 -RRB- is a former professional baseball pitcher .. professional baseball. professional baseball. pitcher. pitcher. He played part of one season in Major League Baseball for the Washington Nationals , appearing in four games .. Washington Nationals. Washington Nationals. Major League Baseball. Major League Baseball. He also played in Nippon Professional Baseball for the Chunichi Dragons in 2007 , appearing in 27 games .. Chunichi Dragons. Chunichi Dragons. Nippon Professional Baseball. Nippon Professional Baseball. Ramirez was signed as an amateur free agent by the Houston Astros in 1997 .. Houston Astros. Houston Astros. After spending the next two seasons playing baseball in the Dominican Republic , Ramirez made his minor league debut in 1999 with the Martinsville Astros , Houston 's rookie-level minor league affiliate .. Dominican Republic. Dominican Republic. Martinsville Astros. Martinsville Astros. He made 25 appearances as a relief pitcher for Martinsville , winning two games and losing one with a 1.45 earned run average -LRB- ERA -RRB- and 17 saves .. pitcher. pitcher. relief pitcher. relief pitcher. earned run average. earned run average. saves. save ( baseball ). He became a free agent after the 2004 season , and spent one season in the Kansas City Royals organization before signing with the Nationals .. Kansas City Royals. Kansas City Royals. Ramirez was released by Washington on July 1 , 2006 and joined the Chunichi Dragons in 2007 .. Chunichi Dragons. Chunichi Dragons. After spending the 2008 season in the Mexican League with the Sultanes de Monterrey , he played for the Worcester Tornadoes of the independent Can-Am League in 2009 , his last professional season .. Mexican League. Mexican League ( baseball ). Sultanes de Monterrey. Sultanes de Monterrey. Worcester Tornadoes. Worcester Tornadoes. Can-Am League. Canadian American Association of Professional Baseball
not_related.