However, such a response leaves open the problem of cognitive significance that originally intrigued Bertrand Russell and Gottlob Frege.
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: However, such a response leaves open the problem of cognitive significance that originally intrigued Bertrand Russell and Gottlob Frege. ### Response: .