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].

[EX Q]: Washington (CNN) President Donald Trump has made no secret of his desire to roll back environmental regulations and change the playing field for the fossil-fuel industry. His administration's actions over its first six months have followed that lead, including what many scientists say is a full-fledged battle against research and facts. Last week the twitter account for the Department of Energy tweeted out an op-ed written by a scholar at the Cato Institute, a libertarian think tank, with the headline: "In the fight between Rick Perry and climate scientists -- He's winning" At the Interior Department, a climate scientist who has shared his thoughts on global warming was recently reassigned -- to accountant. At the Agriculture Department, the man Trump has chosen to head science as undersecretary of agriculture for research, education and economics has no formal hard sciences background. At the Environmental Protection Agency, where the administration has successfully delayed a number of regulations drafted under President Barack Obama, Administrator Scott Pruitt is aiming to get more industry voices into the scientific process.A number of major changes to science have taken place through many government agencies since Trump took officeThe administration is now looking to deregulate even more 
 Question:Following that decision, the _, as required by the court, released endangerment findings that found greenhouse gas emissions endanger public health.
[EX A]: Environmental Protection Agency

[EX Q]: (CNN) -- Iran's supreme leader took verbal jabs at the United States Saturday in his first public reaction since the United States accused Iran of plotting to assassinate the Saudi ambassador to Washington. Ayatollah Ali Khamenei labeled the allegations "meaningless and absurd." "They (the U.S.) want to isolate Iran," Khamenei said over chants of "down with America" in a speech before thousands in the western Iranian city of Gilangharb. Also, an Iranian official said claims by the United States that a high-level U.S. diplomat had met Wednesday with an Iranian counterpart over the plot were untrue. "There were no kinds of negotiations between the two countries, and there was not such a contact," said Alireza Miryousefi, press secretary for the Iranian Mission to the United Nations.NEW: Scholar says plot does not fit Quds Force "M.O."Ayatollah Khamenei calls the U.S. allegations "absurd"Iranian diplomat: U.S. claims of a meeting with Iran are not trueThe U.S. alleges Iran was involved in a plot to kill a Saudi official in the United States 
 Question:"Doing so on _ soil is unmistakably an attack on the United States, not on Saudi Arabia."
[EX A]: United States

[EX Q]: (CNN) The US Open women's singles draw is down to four -- and all of them are American. On Wednesday afternoon at Arthur Ashe Stadium in Flushing, New York, 20th-seeded CoCo Vandeweghe upset No. 1 Karolina Pliskova, last year's US Open finalist, 7-6(4), 6-3. In the night session, No. 15 Madison Keys cruised against Kaia Kanepi of Estonia, 6-3, 6-3. "I was real nervous today," Keys said on court as the last American to clinch her spot. "The car ride over, I was definitely feeling it. But I got out here, I felt really good." Vandeweghe and Keys join No. 9 Venus Williams and Sloane Stephens, who is unseeded, in the semifinals, which start Thursday. Williams, who won a dramatic, hard-fought match Tuesday against No. 13 Petra Kvitova, will face Stephens, who overcame No.16 Anastasija Sevastova. Both Williams and Stephens advanced by winning third-set tiebreaks.CoCo Vandeweghe and Madison Keys both won WednesdayThey join Venus Williams and Sloane Stephens in the semifinals 
 Question:This will be the second major semifinal for _, at age 22.
[EX A]:
Madison Keys