Bonneau du Martray
... that Bonneau du Martray is the only estate in Burgundy to make wine exclusively from grand cru vineyards?
... that <b id="mwGwM"><a href="./Bonneau_du_Martray" id="mwGwQ" rel="mw:WikiLink" title="Bonneau du Martray">Bonneau du Martray</a></b> is the only estate in <a class="mw-redirect" href="./Burgundy_(region)" id="mwGwU" rel="mw:WikiLink" title="Burgundy (region)">Burgundy</a> to make wine exclusively from <i id="mwGwY"><a class="mw-disambig" href="./Grand_cru" id="mwGwc" rel="mw:WikiLink" title="Grand cru">grand cru</a></i> <a href="./Vineyard" id="mwGwg" rel="mw:WikiLink" title="Vineyard">vineyards</a>?