Premise: The Cooper–Frost–Austin House is a historic Colonial American house, built in 1681. It is located at 21 Linnaean Street, Cambridge, Massachusetts. It is the oldest extant home in Cambridge and is owned and operated as a non-profit museum by Historic New England. The house is rarely open for public tours, but private tours can be arranged during the summer months.
Hypothesis: The Cooper-Frost-Austin House is rarely open to the public.