8. (3 points) For each entity, select the attribute that could be the unique identifier of each entity. a. Entity: STUDENT Attributes: student ID, first name, last name, address b. Entity: MOVIE Attributes: title, date released, produced, director C. Entity: LOCKER Attributes: size, location, number ANSWER: a. Entity: STUDENT Unique identifier: b. Entity: MOVIE Unique identifier: C. Entity: LOCKER Unique identifier