gistfile1.txt

function Mammal(options){
  this.name = options.name;
  this.sex = options.sex;
  this.alive = true;
}

function Person(options){
  Mammal.call(this, options);
  this.children = [];
  this.wife;
  this.husband;
  this.mother;
  this.father;
  this.pets = [];
}

function Dog(options){
  this.name = options.name
  this.sex = options.sex
  this.owner;
  this.alive = true;
};

Mammal.prototype.kill = function(){
  this.alive = false;
};

Dog.prototype = Object.create(Mammal.prototype);

Person.prototype = Object.create(Mammal.prototype);

Person.prototype.procreateWith = function(partner, options){
  if (partner === this){
    throw "you cannot have a baby with yourself!";
  }else if (partner.sex == this.sex && this.sex == 'male'){
    throw "two men cannot have a baby!";
  }else{
    var child = new Person(options)
    this.children.push(child);
    this.spouse().children.push(child);
    if (this.sex == 'male'){
      child.mother = this.spouse();
      child.father = this;
    }else{
      child.father = this.spouse();
      child.mother = this;
    };
    return child;
  }
};

Person.prototype.spouse = function(){
  if(this.sex == 'male'){
    return this.wife;
  }else{
    return this.husband;
  }
};

Person.prototype.scream = function() {
  return "MY NAME IS " + this.name.toUpperCase() + "!";
};


Person.prototype.wed = function(spouse){
  if (this.sex == 'male'){
    this.wife = spouse
    spouse.husband = this
  }else{
    this.husband = spouse
    spouse.wife = this
  };
};

Person.prototype.buyPet = function(type, options){
  pet = new type(options);
  this.pets.push(pet);
  pet.owner = this;
  return pet;
};