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].

[Q]: 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.
[A]: John Kerry


[Q]: Lindsay and Jon Hall spent 12 years having 12 rounds of IVF to achieve their dream of three children - but soon after tragedy struck. After spending more than £12,000 on the treatments, Lindsay and Jon Hall, who once feared they might never have children, have finally created their perfect family. When twins Esme and Oliver, now one, finally came along four years after son Taylor, five, it was a dream come true. But their joy was short-lived. Just months after the twins were born, Lindsay found a lump in her breast and she was diagnosed with stage three aggressive breast cancer .Lindsay and Jon Hall from Chesterfield, Derbyshire spent £12,000 on IVFAfter 12 years of treatment, Lindsay, now 33, has three childrenBut she also battled breast cancer, which may have been caused by the IVF 
 Question:'I asked my consultant outright if _ had given me cancer, and he wouldn't answer.
[A]: IVF


[Q]: (CNN) -- On July 13, 2013, a Florida jury found George Zimmerman not guilty in the death of Trayvon Martin. The former neighborhood watchman never denied fatally shooting the unarmed teen, but he said he did so because he feared for his life. The intensely watched murder trial inspired passionate debate about race relations in America, gun laws, profiling and self-defense, and a good deal more. Here's where some of the key players are one year after the verdict. George Zimmerman Zimmerman has popped up a few times post-verdict. Just days after his acquittal, he helped rescue of a family of four from an overturned SUV. His wife, Shellie, filed for divorce in September, citing irreconcilable differences -- and in November, Zimmerman was arrested and charged with felony aggravated assault for a domestic dispute with his girlfriend. Prosecutors dropped the case in December after Zimmerman's girlfriend recanted part of her story.Zimmerman found not guilty in death of Travyon Martin on July 13, 2013Since then, Zimmerman has turned to painting to express himselfMartin's parents speak to groups about preventing ethnic profilingJurors have largely stayed out of the spotlight 
 Question:To date, little is known about the mainly faceless jurors who deliberated for more than 16 hours before rendering _'s fate.
[A]:
George Zimmerman