question: If in one image, an adult is standing behind a large dog that has its mouth open.
#1 return adult 
#2 return dog 
#3 return #2 that is  large 
#4 return mouth of  #3 
#5 return #3 where #4 is  open 
#6 return #1 standing behind #5 
#7 return if  #6 is  in  one image