When the season came to a close in 2004, Kozier retired from professional hockey aged just 26, choosing to pursue a career more aligned with the qualification he claimed whilst at Cornell.
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: When the season came to a close in 2004, Kozier retired from professional hockey aged just 26, choosing to pursue a career more aligned with the qualification he claimed whilst at Cornell. ### Response: .