SCHLOSS ELMAU, Germany, June 26 - The United States is confident that NATO's new strategy document will include a "strong" position on China, a White House official said on Sunday, adding that negotiations on how to refer to Beijing they were still in progress.The military alliance is working on the preparation of a new strategic concept, a document that establishes its objectives and values, which will be presented at a summit in Madrid next week."They talked about China, which... is going to be a broad topic for this trip," the official said after a meeting between President Joe Biden and German Chancellor Olaf Scholz on the sidelines of the Group of Nations leaders' summit. Seven richest democracies in Germany."The president expressed his confidence in Chancellor Scholz and there really was a very broad alignment on all of the issues that they discussed and all of the common challenges that our countries are working on together," the White House official said.Asked if Washington was pressuring Germany to increase its security assistance to Ukraine, the official said Biden had expressed appreciation for what Germany had already committed to doing, including plans to send additional MLRS systems.