Disabled events in alpine and Nordic skiing (1988 only) were also held as demonstration sports at the 1984 and 1988 Winter Olympics.
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: Disabled events in alpine and Nordic skiing (1988 only) were also held as demonstration sports at the 1984 and 1988 Winter Olympics. ### Response: .