A two-story, Greek Revival style wood-frame ell with double porches was added to the rear of the dwelling about 1855.
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: A two-story, Greek Revival style wood-frame ell with double porches was added to the rear of the dwelling about 1855. ### Response: .