class Pet
  attr_reader :color, :breed
  attr_accessor :name

  def initialize(color, breed)
    @color = color
    @breed = breed
    @hungry = true
  end

  def feed(food)
    puts "Mmmm, " + food + "!"
    @hungry = false
  end

  def hungry?
    if @hungry
      puts "I'm hungry!"
    else
      puts "I'm full!"
    end
    @hungry
  end
end

class Cat < Pet
  def speak
    puts "Meow!"
  end
end

class Dog < Pet
  def speak
    puts "Woof!"
  end
end
puppy = Dog.new("black", "Staffordshire Terrier")
puppy.speak
puts puppy.breed
# kitty = Cat.new("grey", "persian")
# puts "Let's inspect our new cat:"
# puts kitty.inspect
# puts "What class does our new cat belong to?"
# puts kitty.class
# puts "Is our new cat an object?"
# puts kitty.is_a?(Object)
# puts "What color is our cat?"
# puts kitty.color
# puts "Let's give our new cat a name"
# kitty.name = "Betsy"
# puts kitty.name
# puts "Is our cat hungry now?"
# kitty.hungry?
# puts "Let's feed our cat"
# kitty.feed("tuna")
# puts "Is our cat hungry now?"
# kitty.hungry?
# puts "Our cat can make noise"
# kitty.speak