2 years old.
Cow: "Mooooove over"
Sheep: "Naaaaaaa."
  
               
   
            
            
			
       
           
       
           
            or
           
       
      
       
            
            Peanut butter and jellyfish.
  
               
   
            
            
			
       
           
       
           
            or
           
       
      
       
            
            The cow that jumped over the moon
  
               
   
            
            
			
       
           
       
           
            or
           
       
      
       
            
            Three. One to climb the ladder while the second kicks the ladder out from under her. And the third to say, "I knew that was too high for you dear."
  
               
   
            
            
			
       
           
       
           
            or
           
       
      
       
            
            None. The darkness will cause the bulb to change by itself.
  
               
   
            
            
			
       
           
       
           
            or