Groningen gas field
... that the Groningen gas field is the largest natural gas field in Europe and the tenth largest in the world?
... that the <b id="mwEoc"><a href="./Groningen_gas_field" id="mwEog" rel="mw:WikiLink" title="Groningen gas field">Groningen gas field</a></b> is the largest natural gas field in <a href="./Europe" id="mwEok" rel="mw:WikiLink" title="Europe">Europe</a> and the tenth largest in the world?