question: If there us food in front of a single dog in at least one of the images.
#1 return food 
#2 return dog 
#3 return #2 that has #1 in  front 
#4 return images 
#5 return the  number of  #3 for each  #4 
#6 return #4 where  #5 is equal to  one 
#7 return the  number of  #6 
#8 return if  #7 is at least one