beers are vegetarian
... that while most beers are vegetarian, some—like British cask ales which use fish parts to clear the finished product—are not?
... that while most <b id="mwClc"><a href="./Vegetarianism_and_beer" id="mwClg" rel="mw:WikiLink" title="Vegetarianism and beer">beers are vegetarian</a></b>, some—like British <a class="mw-redirect" href="./Cask_ale" id="mwClk" rel="mw:WikiLink" title="Cask ale">cask ales</a> which use <a href="./Isinglass" id="mwClo" rel="mw:WikiLink" title="Isinglass">fish parts</a> to clear the finished product—are not?