The evidence provided by the primary sources strongly and consistently supports both claims within the statement. The most direct evidence comes from a source that explicitly quotes Donald Trump stating he spoke with the NATO chief about Greenland and that they agreed to a meeting in Davos, Switzerland. This directly corroborates the entire statement. Further support comes from another source reporting on a social media post by Trump that appeared to show a message from the NATO chief and connected the Greenland issue to Switzerland, implying communication between the two. The other sources confirm the key contextual elements: that Trump was preparing for or heading to meetings at the World Economic Forum in Davos, Switzerland, where the Greenland issue was a central topic, and that the NATO chief was involved in discussions on the matter. There are no contradictions among the sources; they collectively build a cohesive narrative that aligns perfectly with the statement being assessed.