Detailed Instructions: 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. Among the entities, try to find the best entity that is most likely to fill in "_" and classify the answers based on options.
Problem:Hong Kong (CNN) US Secretary of State Rex Tillerson heads to Asia later this week for a regional meeting on security issues, which is expected to be attended by ministers from North Korea, China, South Korea and Japan. It could be an opportune moment for a diplomatic breakthrough on Pyongyang's nuclear and missile programs, which have been causing massive headaches for US President Donald Trump. But questions linger over whether Tillerson can speak for his administration given contradictory remarks from US politicians. "The Trump administration is still scrambling to find a policy on North Korea. They're still seeking an easy solution when none exist," said Adam Mount, a senior fellow at the Center for American Progress.Top US officials haven't been consistent on North Korea policy, analysts sayOn July 28 North Korea tested missile that could potentially hit US mainland 
 Questions:Some policies and talking points have remained unchanged, the biggest being that negotiations without _ committing to denuclearization up-front are a non-starter. (A) Hong Kong (B) CNN (C) US (D) Rex Tillerson (E) Asia (F) North Korea (G) China (H) South Korea (I) Japan (J) Pyongyang (K) Donald Trump (L) Tillerson (M) Trump (N) Adam Mount (O) Center for American Progress (P) Top US
Solution:
(F)