With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A singer-songwriter recorded Song Sung Blue.
text_B: Robert Edwin Wadkins -LRB- born July 26 , 1951 -RRB- is an American professional golfer .. professional golfer. professional golfer. His older brother , Lanny , won 21 times on the PGA Tour , including the 1977 PGA Championship , and is a member of the World Golf Hall of Fame .. PGA Tour. PGA Tour. Lanny. Lanny Wadkins. 1977 PGA Championship. 1977 PGA Championship. World Golf Hall of Fame. World Golf Hall of Fame. Wadkins was born in Richmond , Virginia .. Between Bobby and Lanny , they held the Richmond , Virginia city junior title for six consecutive years -- two by Bobby and four by Lanny .. Lanny. Lanny Wadkins. After attending the University of Houston for one year , Wadkins earned All-American honors in 1972 -- 73 at East Tennessee State University .. University of Houston. University of Houston. East Tennessee State University. East Tennessee State University. Wadkins turned pro in 1973 .. He never won on the PGA Tour despite six runner-up finishes in 715 events , but he did win on the European Tour and the Japan Golf Tour .. PGA Tour. PGA Tour. European Tour. European Tour. Japan Golf Tour. Japan Golf Tour. Since turning 50 , he has played on the Champions Tour and won four times , including one senior major , the 2006 Senior Players Championship .. Champions Tour. Champions Tour. senior major. Senior major golf championships. Senior Players Championship. Senior Players Championship. Wadkins is tied with Mark Wiebe as the Champions Tour 's youngest winner at the age of 50 years and 10 days when he captured the Lightpath Long Island Classic .. Champions Tour. Champions Tour. Mark Wiebe. Mark Wiebe. Lightpath Long Island Classic. Lightpath Long Island Classic
not_related.