errors after class Owner

class Pet {
constructor(animal, age, breed, sound){
this.animal = animal;
this.age = age;
this.breed = breed;
this.sound = sound;

}

 get activity(){
  const today = new Date();
  const hour = today.getHours();

  if (hour > 8 && hour <=20) {
return "playing";

} else {

return "sleeping";
} // end of else

} // end of get activity

get owner (){
return this._owner;
}

set owner (owner) {
this._owner = owner;
console.log( `setter called: ${owner}`); 
}


 speak() {

 console.log(this.sound);
} // end of speak


} // end of class



class Owner {
 constructor(name, address) {
 this.name = name;
 this.address = address;
 }
 set phone(phone) {
const phoneNormalized = phone.replace(/[^0-9]/g, '');
  this._phone = phoneNormalized;
}
  get phone(){
  return this._phone;
  }
}



const ernie = new Pet ("dog",1,"pug","woof woof");
ernie.owner = new Owner("ashley", "112 via aurelia");