TASK DEFINITION: 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].
PROBLEM: Moscow (CNN) -- Russia's upper house of parliament voted Wednesday to revoke the right of President Vladimir Putin to use troops in Ukraine as efforts continue to calm a separatist uprising in Ukraine's east. The Federation Council had approved Putin's request for a resolution allowing the use of force on March 1. But Tuesday, Putin sent a letter to the speaker of the upper house seeking to cancel the resolution. One lawmaker voted against revoking the powers Wednesday, with 153 in favor. Putin's request was made in light of ongoing talks on how to settle the crisis in Ukraine's eastern regions, said presidential spokesman Dmitry Peskov.NATO agrees to a package of support to help Ukraine defend itselfRussia's Federation Council cancels resolution authorizing use of troops in UkrainePresident Vladimir Putin asked for the step in light of peace talks, his spokesman saysJohn Kerry and other NATO foreign ministers are meeting in Belgium 
 Question:The parliamentary action is a positive step, _ said, but it could be easily reversed.

SOLUTION: John Kerry

PROBLEM: (CNN) One of the next members of President Donald Trump's administration to enter the Russia investigation spotlight finds himself in a particularly awkward spot: He's the top lawyer at the White House. Don McGahn is expected to be interviewed in the coming weeks in special counsel Robert Mueller's investigation, along with communications director Hope Hicks and Josh Raffel, who handles press-related inquiries for White House senior adviser Jared Kushner. The 49-year-old former Federal Election commissioner acted as a conduit of information to Trump before the President decided to fire National Security Adviser Michael Flynn and FBI Director James Comey. McGahn also served as the Trump presidential campaign's chief counsel while he was still a partner in private practice at the law firm Jones Day.Don McGahn is expected to be interviewed in the coming weeksHe also served as the Trump presidential campaign's chief counselHe'll have choices to make, including what he'll share with investigators 
 Question:The _ investigation already succeeded once in getting around attorney-client privilege.

SOLUTION: Robert Mueller

PROBLEM: Australian holidaymakers stranded in Bali are frustrated and tired of waiting to come home after Jetstar and Virgin cancelled all flights in and out of the Indonesian island. Flight delays have now stretched into their third consecutive day, with major flight cancellations and delays occurring since Wednesday. Major Australian airlines Virgin and Jetstar continue to monitor a volcanic ash cloud that has settled over Denpasar airport in Bali causing visibility problems for pilots. Passengers have shared pictures on Instagram of the growing number of people waiting for flights home. While some have begun taking out their frustration on the major airlines.Virgin and Jetstar have cancelled flights to and from BaliAn eruption from Mount Raung has sent ash and debris into the flight pathPassengers have been stuck for three days and countingMount Raung is 150 kilometres from Denpasar airportThe eruption has made visibility difficult and created a hazard for flyingThe Volcanic Ash Advisory Centre in Darwin are advising what to do nextFlights could remain cancelled for weeksAlternative flights information has been provided to passengers affected 
 Question:Virgin commented: 'Affected _ passengers are urged to phone 13 6789 or (07) 3295 2296 and check the airline's website before travelling to the airport.'

SOLUTION:
Virgin

