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: (CNN) The White House moved to tamp down suggestions that ties with Saudi Arabia are fraying, with administration officials saying that President Barack Obama "really cleared the air" with King Salman at a meeting Wednesday. Yet even as White House officials stressed that the leaders made progress, a prominent member of the Saudi royal family told CNN "a recalibration" of the U.S.-Saudi relationship was needed amid regional upheaval, dropping oil prices and ongoing strains between the two longtime allies. Obama landed in Riyadh earlier Wednesday for a summit with Gulf leaders and spent two-and-a-half hours meeting with the 80-year-old monarch on issues that have recently strained the alliance, including the conflict in Yemen, the role of Iran, Lebanon's instability and the fight against ISIS, U.S. officials said.The U.S and Saudi Arabia aren't at the end of a love affair, so much as in an unhappy marriageThe two countries are bound by military links and a shared fight against terrorism 
 Question:But the two leaders glossed over some of the thorniest matters, including a Saudi threat to dump U.S. assets if _ signs into law a bill that could make the kingdom liable for damages stemming from the September 11 terror attacks.

Answer: Barack Obama


Question: (CNN) A new study lends support to one of the biggest fears about Zika virus: It might increase the risk of the rare neurological syndrome Guillain-Barre. Years before Zika virus first appeared in Latin America, it spread from Africa and Asia to Pacific islands. From 2013 to 2014, French Polynesia had 32,000 suspected cases of Zika virus. During this same period, there was also an uptick in cases of Guillain-Barre. Researchers in French Polynesia and Europe looked at those 42 cases of Guillain-Barre in the Pacific Island nation between October 2013 and April 2014. They asked whether there was any evidence these patients had been exposed to Zika virus.A study finds evidence that people in French Polynesia affected by Guillain-Barre were exposed to Zika virusResearchers estimate that about 1 in 4,000 Zika infectious could lead to the rare neurological syndromeGuillain-Barre causes muscle weakness and paralysis, and many patients take weeks to months to recover 
 Question:The researchers estimate, based on the rates of _ and Guillain-Barre in French Polynesia, that one in 4,000 people infected with Zika could develop the neurological syndrome.

Answer: Zika


Question: An animal charity today launched an appeal to free Bulgaria's last two circus lions from their lives in a small metal cage. The Born Free Foundation wants to rehome Jora and Black, both seven years old, in a South African sanctuary in Shamwari. The two lions are currently kept in an orange cage outside their ex-circus trainer's remote mountain lodge near Sofia, the country's capital, with no access to running water or shade. They are believed to have been taken in by a traditional circus when they were just small cubs. The big cats were caged last year after a government ban on the use of wild animals in circuses forced the owners to stop the lions performing.The Born Free Foundation wants to rehome Jora and Black in a South African sanctuary in ShamwariTwo lions are currently kept in an orange cage outside their ex-circus trainer's remote mountain lodge 
 Question:She said: 'It is hard to exaggerate how the heat of the summer will affect these magnificent animals in their cramped quarters but, on the positive side, we are very pleased that their owners have agreed to _ rehoming them in one of our sanctuaries.

Answer:
Born Free Foundation