Castelnau-sur-l'Auvignon is a commune in the Gers department in southwestern France.
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: Castelnau-sur-l'Auvignon is a commune in the Gers department in southwestern France. ### Response: .