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].

Republican presidential frontrunner Donald Trump said it was not his job to stand up for U.S. President Barack Obama after a man at one of his campaign events said he was a Muslim and 'not even an American.' 'Am I morally obligated to defend the president every time somebody says something bad or controversial about him? I don't think so!' Trump said on Twitter on Saturday morning. Trump drew criticism on Friday from Republican and Democratic rivals in the 2016 race for the presidency when he failed to challenge a man at a New Hampshire town hall Thursday night who said Muslims were a problem in the United States.Donald Trump wrote on Twitter saying he's not morally obligated to defend President Obama every time someone makes controversial commentHe said if someone made a nasty comment about him to Obama there's 'no chance' the president would come to his rescueOn Thursday, Trump failed to correct a man at one of his campaign events who said Obama is a Muslim and 'not even an American' 
 Question:_'s campaign manager later said that Trump had had trouble hearing in the busy room.
Donald Trump

We've all been frustrated in the airport when a gloating social network update about an impending luxury getaway is cut short by the Wi-Fi cutting out. And businessmen conducting that last-minute conference call throw their arms in the air when mid-conversation, connectivity is lost. However, these may not be common occurrences in Suvarnabhumi Airport in Thailand - as it has the fastest airport Wi-Fi in the world. And a new infographic shows its nearest competitors. Blog website rottenwifi.com tested out speeds at airports around the world, and it was in the Far East where the fastest was discovered recording an impressive 41.45 megabits per second (Mbps).Suvarnabhumi Airport in Thailand has fastest Wi-Fi in the worldDublin Airport comes in third - but no English representatives make the listStudy found fliers only have 'some' chance of Wi-Fi on 24% of flights 
 Question:An infographic was then produced that shows the top 10 best airports for _-Fi speed.
Wi

(CNN) China has passed a controversial law imposing new regulations on foreign nongovernmental organizations and charitable groups. The more than 7,000 foreign NGOs operating in China will have to submit to police supervision and declare their sources of funding. While Chinese officials say regulation is long overdue in this sector, U.S. officials and human rights groups have criticized the law, saying it amounts to a crackdown on civil society. "The new law will have severe consequences for freedom of expression, peaceful assembly, and association, which are already sharply curtailed under existing laws and policies," Amnesty International said. The U.S. National Security Council urged China to respect the rights and freedoms of all those who make up civil society, including protecting the ability of foreign NGOs to operate in China.New law will restrict activities of foreign NGOs in ChinaChina says regulation is long overdueActivists warn law could have "serious consequences for freedom of expression" 
 Question:They denied that such groups would be blacklisted, or that certain fields would be off limits, provided they do not endanger _ national interests.

China