question: If at least one horse is present with a group of hounds in one image.
#1 return horses 
#2 return group of hounds 
#3 return #1 present with #2 
#4 return images of #3 
#5 return number of  #3 for each  #4 
#6 return #4 where  #5 is at least one 
#7 return number of  #6 
#8 return if  #7 is equal to  one