g() {
        console.log(`Hi! I'm ${this.name.first}`);
      };

      farewell() {
        console.log(`${this.name.first} has left the building. Bye for now!`);
      };
    }

    // Instantiate Person

    let han = new Person('Han', 'Solo', 25, 'male', ['Smuggling']);
    han.greeting();
    // Hi! I'm Han

    let leia = new Person('Leia', 'Organa', 19, 'female' ['Government']);
    leia.farewell();
    // Leia has left the building. Bye for now

    // Extend Person with Teacher

    class Teacher 