With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Council on Foreign Relations is also known as the acronym CFR.
text_B: Cecil Blackbeard -LRB- 1900 -- 19 April 1954 -RRB- , was a South African male tennis player who represented South Africa in the Davis Cup and the Olympic Games .. tennis. tennis. Davis Cup. Davis Cup. Olympic Games. Olympic Games. He competed in the doubles event at the 1920 Summer Olympics .. Tennis at the 1920 Summer Olympics – Men's doubles. doubles event. Tennis at the 1920 Summer Olympics – Men's doubles. 1920 Summer Olympics. 1920 Summer Olympics. With compatriot George Dodd he reached the quarterfinal round after victories over Alfred Beamish and Francis Lowe in the first round , followed by a win over Jean-Pierre Samazeuilh and Daniel Lawton in the second .. George Dodd. George Dodd ( tennis ). Alfred Beamish. Alfred Beamish. Francis Lowe. Francis Lowe ( tennis player ). Jean-Pierre Samazeuilh. Jean-Pierre Samazeuilh. Daniel Lawton. Daniel Lawton. In the quarterfinal they were defeated in four sets by Max Decugis and Pierre Albarran .. Max Decugis. Max Decugis. Pierre Albarran. Pierre Albarran. Blackbeard participated in the 1920 Wimbledon Championships playing in all three events -LRB- singles , doubles , mixed -RRB- .. Tennis at the 1920 Summer Olympics – Men's doubles. 1920 Wimbledon Championships. 1920 Wimbledon Championships. In the singles event he made it to the quarterfinal round after victories over Yasin Mohamed , Ambrose Dudley , his doubles partner George Dodd and Frank Jarvis .. George Dodd. George Dodd ( tennis ). In the quarterfinal he lost in four sets to Chuck Garland .. Chuck Garland. Chuck Garland. With countryman George Dodd he also reached the quarterfinal of the doubles event in which Algernon Kingscote and Cecil Parke proved too strong .. doubles event. Tennis at the 1920 Summer Olympics – Men's doubles. George Dodd. George Dodd ( tennis ). Algernon Kingscote. Algernon Kingscote. He was less successful in the mixed doubles , reaching the second round with D.K.Betty .. D.K.Betty. D.K.Betty. In May 1920 he reached the final of the doubles event at the World Hard Court Championships , played at the Stade Francais in Paris .. Tennis at the 1920 Summer Olympics – Men's doubles. doubles event. Tennis at the 1920 Summer Olympics – Men's doubles. World Hard Court Championships. World Hard Court Championships. Stade Francais. Stade Francais. With his teammate Nicolae Misu they were defeated in the final by the French pair Andre Gobert and William Laurentz in straight sets .. Nicolae Misu. Nicolae Misu. Andre Gobert. Andre Gobert. William Laurentz. William Laurentz. In 1926 Blackbeard reached the final of the singles event at the South African Championships which he lost in three straight sets to countryman Jack Condon .. South African Championships. South African Open ( tennis ). Jack Condon. Jack Condon. At the same championships he won the doubles title in 1923 with D. Blackbeard and in 1926 with Charles Winslow .. Charles Winslow. Charles Winslow
not_related.