Input (grade 13): While China ultimately did not sign the Simla Convention, a similar treaty, the tripartite Treaty of Kyakhta, was signed by Mongolia, the Republic of China and Russia on 25 May 1915.
Output (grade 6): Instead, a very similar treaty was signed by Mongolia, China, and Russia on 25 May, 1915. This treaty was called the tripartite Treaty of Kyakhta.