You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Martin_Luther

Context:
Luther sympathised with some of the peasants' grievances, as he showed in his response to the Twelve Articles in May 1525, but he reminded the aggrieved to obey the temporal authorities. During a tour of Thuringia, he became enraged at the widespread burning of convents, monasteries, bishops' palaces, and libraries. In Against the Murderous, Thieving Hordes of Peasants, written on his return to Wittenberg, he gave his interpretation of the Gospel teaching on wealth, condemned the violence as the devil's work, and called for the nobles to put down the rebels like mad dogs:

Question:
What did Luther call the revolting peasants?

mad dogs