hi I need answer ER d Exerciss2.1.6: Suppose we wish to keep a genealogy We shall have one entity set, People. The information we wish to record about persons includes their name (an attribute) and the following relationships: mother, father, and children. Give an E/R diagram involving the People entity set and all the relations ship which it is involved. Include relationships for mother, father, and children. Do not forget to indicate roles when an entity set is used more than once in a relationship