This permeable geology presumably provided a narrow strip of open pasture, the oak ley, along the valley within a broad tract of woodland on the boulder clay either side.
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: This permeable geology presumably provided a narrow strip of open pasture, the oak ley, along the valley within a broad tract of woodland on the boulder clay either side. ### Response: .