With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John McEnroe is known for his rivalry with a tennis player.
text_B: James Scott Connors -LRB- born September 2 , 1952 -RRB- is an American former world No. 1 tennis player , often considered among the greatest in the history of the sport .. world No. 1. List of ATP number 1 ranked singles players. tennis. tennis. He held the top ranking for a then-record 160 consecutive weeks from July 29 , 1974 to August 22 , 1977 and an additional eight times during his career for a total of 268 weeks , thus becoming the first male player to be No. 1 for more than 260 weeks , a record that has since been surpassed by Lendl -LRB- 270 weeks -RRB- , Sampras -LRB- 286 weeks -RRB- and Federer -LRB- 302 weeks -RRB- .. 1974 US Open – Men's Singles. 1977 World Championship Tennis Finals – Singles. He also held a year-end top ten ranking for an Open Era record 16 years .. Open Era. Open Era. By virtue of his long and prolific career , Connors still holds three prominent Open Era men 's singles records  : 109 titles -LRB- the only man to win more than 100 -RRB- , 1535 matches played , and 1256 match wins .. Open Era. Open Era. His titles include eight majors -LRB- five US Opens , two Wimbledons , and one Australian Open -RRB- , three year-end championships , and 17 Grand Prix Super Series .. majors. Grand Slam ( tennis ). year-end championships. Open Era tennis records – men's singles#Year-end championships. Grand Prix Super Series. Grand Prix Super Series. In 1974 , he became the second man in the Open Era to win three majors in a calendar year , and his total career match win rate of 81.82 % remains in the top four of the era .. 1974 US Open – Men's Singles. Open Era. Open Era. majors. Grand Slam ( tennis ). He is the first male player to win 5 US Open titles , a record tied by Sampras and Federer .. Connors was known for his fiery competitiveness , acrimonious relationships with a number of peers , and boorish behavior that pandered to the crowd .. For these reasons , he has been likened to baseball player Pete Rose , a comparison Connors is proud of .. Pete Rose. Pete Rose
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