A German/UK version of The Crimson Circle, Die rote Kreis (1929), was filmed in both a silent and Phonofilm sound-on-film version.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: A German/UK version of The Crimson Circle, Die rote Kreis (1929), was filmed in both a silent and Phonofilm sound-on-film version. ### Response: .