Reverse map the following relational database to an ER diagram:

Employee (ssn, firstName, lastName)

Athlete (ssn, nickname)

Athlete-sport (ssn, sport)

Athlete_Golf (ssn, handicap)

Athlete_Tennis (ssn, ranking)

Member (ssn, firstName, lastName, type)

Membership (type, cost)

Locker (lockerNo, size, ssn)

Escort (member.ssn, guest.ssn)

Guest (ssn, age, name)