question: If an image contains exactly two side-by-side dogs, with a black one on the left and a white-bodied dog on the right.
#1 return dog 
#2 return #1 on the  left 
#3 return #2 that is black 
#4 return #1 on the  right 
#5 return #4 that is white-bodied 
#6 return #3 side-by-side with #5 
#7 return if  #6 are in  an image