Initially the series had a flatter structure than BrainTeaser, in that all three contestants participated in all of the rounds until the final, where only the one with the highest score would proceed; however, in June 2004 the series was revamped to follow a pattern later adopted by BrainTeaser whereby one contestant was eliminated at a time until eventually only one contestant remained.
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: Initially the series had a flatter structure than BrainTeaser, in that all three contestants participated in all of the rounds until the final, where only the one with the highest score would proceed; however, in June 2004 the series was revamped to follow a pattern later adopted by BrainTeaser whereby one contestant was eliminated at a time until eventually only one contestant remained. ### Response: .