Between September 2004 and October 2017, there were 22 unsuccessful attempts in the Federal Parliament to legalize or recognize same-sex marriage under federal law.
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: Between September 2004 and October 2017, there were 22 unsuccessful attempts in the Federal Parliament to legalize or recognize same-sex marriage under federal law. ### Response: .