question: If an image contains two dogs side by side.
#1 return dogs 
#2 return #1 that are side by side  
#3 return images 
#4 return number of  #2 for each  #3 
#5 return #3 where  #4 is equal to  two 
#6 return number of  #5 
#7 return if  #6 is at least one