You dont need to make a strawman of what mls believe, you can just quote the wikipedia and ignore the claims by countries that have a reason to fabricate hostile evidence. If you want to go further, look at testimonies by witnesses that corroborate the side opposed to where they currently live.

Its also important to try to understand why the chinese feel the issue is contentious and the various perspectives, as opposed to letting the other side tell you how the chinese feel and why.