question: If in the left image, all dogs have blue harnesses.
#1 return the  left image 
#2 return dogs in  #1 
#3 return harness of #2 
#4 return #2 where  #3 is blue 
#5 return number of  #2 
#6 return number of  #4 
#7 return if  #6 is equal to  #5