China's nine-dotted line
... that the Philippines is contesting the validity of China's nine-dotted line?
... that the <a href="./Philippines" id="mwBCc" rel="mw:WikiLink" title="Philippines">Philippines</a> is contesting the validity of <b id="mwBCg"><a class="mw-redirect" href="./Philippines_v._China" id="mwBCk" rel="mw:WikiLink" title="Philippines v. China">China's nine-dotted line</a></b>?