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. Using only the above description and what you know about the world, "The Cooper–Frost–Austin House offers private tours in early May." is definitely correct, incorrect, or inconclusive? 