diff --git a/zoo.rb b/zoo.rb
index 8f5eea5..3fe90bc 100644
--- a/zoo.rb
+++ b/zoo.rb
@@ -52,7 +52,15 @@ def full?
 	end
 end
 
-class Zookeeper
+class Human
+	include Animal
+	
+	def acceptable_food
+		[:bacon, :tacos]
+	end
+end
+
+class Zookeeper < Human
 	def feed(args={})
 		food = args.fetch(:food)
 		panda = args.fetch(:to)
diff --git a/zoo_spec.rb b/zoo_spec.rb
index 4943c90..ee23c07 100644
--- a/zoo_spec.rb
+++ b/zoo_spec.rb
@@ -62,6 +62,21 @@
 	end
 end
 
+describe Human do
+	it "should like bacon" do
+		Human.new.likes?(:bacon).should eq(true)
+	end
+
+	it "should like tacos" do
+		Human.new.likes?(:tacos).should eq(true)
+	end
+
+	it "should not like bamboo" do
+		Human.new.likes?(:bamboo).should eq(false)
+	end	
+end
+
+
 describe Zookeeper do
 	it "should be able to feed bamboo to the pandas" do
 		panda = Panda.new