Instructions: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Among the entities, try to find the best entity that is most likely to fill in "_" and classify the answers based on options.
Input: South Africa's Kevin Anderson has his sights set on the top five in the world after his shock victory over Andy Murray at the US Open. Anderson stunned the world number three at Flushing Meadows with a 7-6 (7/5) 6-3 6-7 (2/7) 7-6 (7/0) victory to progress to his first ever grand slam quarter-final. It is the first time in eight attempts Anderson has won a fourth round match at a major tournament after struggling in the past to overcome the world's top players. His victory over Murray, however, came exactly two months after taking Novak Djokovic to five sets at Wimbledon and Anderson wants to compete with the elite on a more regular basis.Kevin Anderson stunned Andy Murray with a four-set win in New YorkAnderson stunned the world No 3 at Flushing Meadows 7-6 6-3 6-7 7-6South African has set his sights on competing with elite on a regular basisStan Wawrinka will be Anderson's opponent in the US Open quarter-finals 
 Questions:The Briton's resurgence brought back memories of _'s duel with Djokovic at Wimbledon, where he was up two sets before losing in the decider. (A) South Africa (B) Kevin Anderson (C) Andy Murray (D) US Open (E) Flushing Meadows (F) Murray (G) Novak Djokovic (H) Wimbledon (I) New York (J) South African (K) Stan Wawrinka
Output:
(B)