Playoff systems were re-implemented in this season and league was divided two group and play with home and away each other, with the winners of each stage and the two runners-up advancing to the post-season championship playoffs.
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: Playoff systems were re-implemented in this season and league was divided two group and play with home and away each other, with the winners of each stage and the two runners-up advancing to the post-season championship playoffs. ### Response: .