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. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
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Question: (CNN) Donald Trump is aiming to pull off one of the greatest political comebacks in history. The Republican nominee is rebounding from a summer of repeated stumbles that threatened to undermine his candidacy, underscoring his ability to claw his way back and stay competitive despite controversies that would sink any other politician. Poll: Nine weeks out, a near even race Trump and Hillary Clinton enter the critical post-Labor Day phase of the campaign in a dead heat. A CNN/ORC national poll released Tuesday finds Trump ahead of Clinton by two points -- 45% to 43% -- among likely voters. The race is also tight among registered voters, where Clinton has a three point advantage. Both findings are within the margin of error.CNN/ORC national poll shows Trump, Clinton in a dead heatTrump needs to make election a referendum on Clinton 
 Question:Unless he starts making headway soon, with early voting only weeks away, it may take something that jarring for _ to win.

Answer: Donald Trump


Question: Roger Federer set up a blockbuster rematch with world number one Novak Djokovic by beating Milos Raonic to reach the final of the BNP Paribas Open. Following Djokovic's comprehensive 6-2 6-3 victory over British No 1 Andy Murray, Federer reached his 40th ATP World Tour Masters 1000 final with a 7-5 6-4 defeat of Canadian sixth seed Raonic at Indian Wells. Sunday's showdown will be a 38th meeting between reigning champion Djokovic and world number two Federer, who is on a 19-set winning streak. Roger Federer celebrates after completing his 7-5 6-4 semi-final win over Canadian Milos Raonic The Swiss serves during the contest at Indian Well and will now play Novak Djokovic in Sunday's finalFederer beat Raonic 7-5 6-4 to reach final of BNP Paribas OpenSwiss will face the world No 1 Djokovic in Sunday's finalThe Serb had earlier beaten British No 1 Andy Murray 6-2 6-3 
 Question:The _ soon broke for a 6-5 lead and wrapped up the set.

Answer: Swiss


Question: She was the most hated woman in Britain, loathed for her role in the break-up of the Prince and Princess of Wales' marriage and vilified for everything from her dress sense to her looks. But 10 years on from the sunny April day that saw Camilla Parker-Bowles become the Duchess of Cornwall, things are looking very different for the 67-year-old royal. Indeed, so popular has Camilla become, a recent poll revealed that not only is the Duchess loved by 50 per cent of Britons, 56 per cent credit her with Charles' own increasing popularity. Scroll down for video Relaxed: The Prince of Wales has cut an increasingly relaxed figure since marrying CamillaCamilla is now one of the most popular members of the Royal FamilyShe is close to her stepsons and is often seen joking with them at eventsThe Duchess has also won over the Queen and is said to be 'close' to her 
 Question:That she has managed it, apparently without breaking a sweat, hasn't gone unnoticed - not least by _ himself.

Answer:
Charles