<human>: Does "Although Archduke Charles warned that the Austrians were not ready for another showdown with Napoleon, a stance that landed him in the so-called "peace party," he did not want to see the army demobilized either." correctly answer the question of Who was the Prussian ruler who at first  claimed he would help Austria in its battle with France, but later refused to?
OPTIONS:
- yes
- no
<bot>: no