Sitka
...that the Sitka is the largest species of spruce tree?
...that the <b id="mwAVQ"><a class="mw-redirect" href="./Sitka_Spruce" id="mwAVU" rel="mw:WikiLink" title="Sitka Spruce">Sitka</a></b> is the largest <a href="./Species" id="mwAVY" rel="mw:WikiLink" title="Species">species</a> of <a href="./Spruce" id="mwAVc" rel="mw:WikiLink" title="Spruce">spruce tree</a>?