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: Havana (CNN) U.S. President Barack Obama put the authoritarian government in Havana on the spot Monday, taking questions from reporters and insisting that his Cuban counterpart also deliver answers to pointed queries on human rights, political prisoners and economic reforms. Though they both acknowledged deep disagreements on these issues, the two leaders found common ground on the topic of the economic embargo on Cuba, which both want lifted. Obama went so far as to declare that "the embargo's going to end," though he couldn't say when. In an extraordinary sign of the shifting attitudes, Castro was willing to answer one question on why his regime was keeping Cubans incarcerated for expressing anti-government views. But his response only underscored the schisms between himself and Obama.President Barack Obama and Cuban leader Raul Castro shook hands at the Palace of the Revolution in Old Havana on MondayScores of anti-Castro dissidents from the group Ladies in White were arrested over the weekend and detained after their weekly protest"¿Que bolá Cuba?" the U.S. President wrote on Twitter on Sunday, using an informal Cuban greeting 
 Question:On Sunday, Obama's interactions with everyday _ were carefully calibrated.

Answer: Cuban


Question: Jay Z launched a stream of tweets defending his premium music streaming app Tidal after the service, launched last month, was described as a flop. His social media diatribe comes as reports claim that Tidal is being sabotaged by rivals as it attempts to take business away from more-established music outlets such as Spotify and Apple. 'We may not be perfect - but we are determined,' he said while claiming that there are 'many big companies that are spending millions on a smear campaign'. 'We are here for the long haul,' the rapper and businessman tweeted in a string of 'stream of consciousness' messages.Rapper says that his streaming service is 'here for the long haul'Report claims that app is being affected by delays from Apple, which is launching its own music service this summerJay Z claims that Tidal already has more than 700,000 subscribersApp purchasing data shows that it has fallen out of top 750 downloads 
 Question:Several artists have publicly criticized the roll-out, saying that _ made it seem as if some of the world's biggest musicians wanted more money.

Answer: Jay Z


Question: When the Queen, then aged 86, was filmed 'jumping out of a plane' during the opening ceremony of the London 2012 Olympics, no one was more surprised than her grandson, Prince William. Describing her as an 'unbelievably good sport', he added:  'Harry got a sniff of a rumour on the night and the rumour mill was going into overdrive. 'But, in fact, she did such a good performance that she's been asked to star in the next Bond film. I'm thrilled for her.' Scroll down for video Birthday: The Queen, pictured at Newbury Racecourse on Saturday, is celebrating her 89th birthday todayThe Queen is celebrating her 89th birthday today at home at WindsorShe is spending the day privately with Prince Philip and her familyHer Majesty is enjoying renewed popularity, especially on social mediaA snap of the Queen photo-bombing a hockey player went viral last yearShe is set to welcome her fifth great-grandchild within days 
 Question:Under the _, the monarchy has also modernised and embraces the latest technology, including social media.

Answer:
Queen