While its mechanism of action is not entirely clear, senna is thought to act by increasing fluid secretion within and contraction of the large intestine.
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: While its mechanism of action is not entirely clear, senna is thought to act by increasing fluid secretion within and contraction of the large intestine. ### Response: .