class Pet
  attr_reader :color, :breed, :name
  attr_accessor :name
  def initialize(color,breed)
    @color = color
    @breed = breed
    @hungry = true
    @thirsty = 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

  def thirst(liquid)
    puts "Mmmm, " + liquid + "!"
    @thirsty = false
  end

  def thirsty?
    if @thirsty
      puts "I'm thirsty now!"
    else
      puts "I'm satisfied now!"
    end
    @thirsty
  end
end

class Cat < Pet #inherits from Pet class
  def speak
    puts "Meow!"
  end
end

class Dog < Pet
  def speak
    puts "Woof!"
  end
end

kitty = Cat.new("Grey","Persian")
dog = Dog.new("Brown","German Sheperd")

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 = "Jack"
puts kitty.name
puts "Is our cat hungry now?"
kitty.hungry?
puts "Let's feed our cat"
kitty.feed("meat")
puts "Is our cat hungry now?"
kitty.hungry?
puts "Our cat can make noise"
kitty.speak
puts "Is our cat thirsty?"
kitty.thirsty?
puts "Let's give something to drink"
kitty.thirst("water")
puts "Is our cat thirsty?"
kitty.thirsty?

puts "Let's inspect our new dog:"
puts dog.inspect
puts "What class does our new dog belong to?"
puts dog.class
puts "Is our new dog an object?"
puts dog.is_a?(Object)
puts "What color is our dog?"
puts dog.color
puts "Let's give our new dog a name"
dog.name = "Jack"
puts dog.name
puts "Is our dog hungry now?"
dog.hungry?
puts "Let's feed our dog"
dog.feed("meat")
puts "Is our dog hungry now?"
dog.hungry?
puts "Our dog can make noise"
dog.speak
puts "Is our dog thirsty?"
dog.thirsty?
puts "Let's give something to drink"
dog.thirst("water")
puts "Is our dog thirsty?"
dog.thirsty?