generate questions: At the end of this speech, Luther raised his arm "in the traditional salute of a knight winning a bout." Michael Mullett considers this speech as a "world classic of epoch-making oratory."
What did Luther do at the end of his speech? {sep_token} What was the style of Luther's salute at the end of his speech? {sep_token} Who considers Luther's speech a world classic? {sep_token} What did Michael Mullet call Luther's speech? {sep_token}