Detailed Instructions: In this task, you will be shown a passage. You need to write a fill-in-the-gap question based on your understanding of the events that might be inferred from the passage. Your question should be answerable based on the passage and only have one correct answer. Show the gap in your question with a _ .
Problem:Washington (CNN) Even as tensions between the US and North Korea have intensified, along with President Donald Trump's rhetoric, US diplomats have quietly and steadily been in contact with their North Korean counterparts. The meetings, led by the US Special Representative for North Korea Policy Joseph Yun and reported on by CNN, have focused on Americans detained in North Korea, but have also touched on the relationship between the two countries. The US has been in contact with North Korea since at least February at an official level and there have been lower-level talks between Americans -- though none who represent the US government -- and North Korean officials.Contacts between Pyongyang and the US picked up again after Trump took officeThey follow a deep freeze between North Korea and the Obama administration
Solution:
Trump directed the Secretary to take all appropriate measures to secure the release of the _.