Jack Buys a Farm House

Jack buys a farm house. The day after he buys the home he sees Joseph, another farmer going over his property with a pail, towards a nearby stream. Jack is angry that Joseph is walking over his land and he tells Joseph not to do so. Joseph tells him that he has a right to walk over the land to fetch water from the stream. Joseph tells Jack that the right haw existed since Joseph's great grandfather purchased the property. This means that Joseph has an

A) easement.
B) right of way.
C) estate.
D) severance.
E) crossing rights.