Three Sisters
... that the Three Sisters in Oregon are part of a complex volcano?
... that the <b id="mwBk0"><a href="./Three_Sisters_(Oregon)" id="mwBk4" rel="mw:WikiLink" title="Three Sisters (Oregon)">Three Sisters</a></b> <i id="mwBk8">(pictured)</i> in Oregon are part of a <a href="./Complex_volcano" id="mwBlA" rel="mw:WikiLink" title="Complex volcano">complex volcano</a>?