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The following contains three fact patterns involving land. In which of the following is an easement involved? I. O sells land to B in which O retains in the deed the right to use a roadway on B’s newly purchased property. II. O sells land to B in which O in the deed has the right to cut and keep ten specified trees on the land sold. III. O sells land to B. O continues that year to use a roadway on B’s newly purchased property when B is not looking.