question: If the left and right image contains the same number of dead bulls.
#1 return left image 
#2 return right image 
#3 return bulls 
#4 return #3 that are dead 
#5 return #4 in  #1 
#6 return #4 in  #2 
#7 return the  number of  #5 
#8 return the  number of  #6 
#9 return if  #7 is equal to  #8