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: (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.

A: Robert Mueller
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Q: Britons are by far the biggest adopters of contactless payments in Europe as the use of the system continues to climb across the continent, new figures reveal. More than one billion contactless transactions worth €12.6billion took place in Europe over the last 12 months – a three-fold increase when compared to the same period in 2014, according to Visa Europe. Britain is the country with the highest number of contactless transactions, with 52.6million worth more than €330million made in March alone, followed by Poland and Czech Republic, with 49.7million and 13.9million transactions respectively. This rapid growth in the UK was fuelled in part by the launch of contactless payments on Transport for London services last September, Visa Europe said.The UK issues the highest number of contactless cardsBritons made 52.6million transactions worth more than €330million in MarchSome 1.1billion contactless transactions worth €12.6billion were made by Visa cardholders across Europe in the last 12 months 
 Question:_ is a payments technology business owned and operated by member banks and other payment service providers from 37 countries across Europe.

A: Europe
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Q: Hooked to ventilators in hospital beds, they were on the brink of death. These shocking photos show brothers Jeff and Joey Stallings, who were placed in medically-induced comas after taking a 'bad batch' of synthetic marijuana in their hometown of McComb, Mississippi. The siblings, both in their twenties, fell seriously ill earlier this month after smoking the drug, which is a mix of herbs that has been sprayed with a chemical to produce a similar sensation to marijuana. They were hospitalized on April 6, within hours of each other, when they collapsed after suffering from hallucinations, vomiting, night sweats and violent shaking. They had to be put on life support.Jeff and Joey Stallings took a 'bad batch' of Spice in Mississippi hometownHospitalized after suffering from hallucinations, sweats and violent shakingPhotos show the brothers in medically-induced comas in McComb hospitalFortunately, siblings rallied against the drug's effects and are now at homeBut Jeff has 'permanent kidney damage' and both are still addicted to drugNow, their mom, Karen, has begged others not to take synthetic marijuanaBecause chemicals in Spice vary, users do not know what they're smoking 
 Question:Unlike pot, _ can cause a huge range of symptoms, many of which can be severe.

A:
Spice
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