question: If in one image, a gorilla is sitting with its knees bent and at least one arm resting on a knee.
#1 return gorilla 
#2 return #1 that is sitting 
#3 return knees of #2 
#4 return #2 where  #3 are bent 
#5 return arms of #4 
#6 return #5 that is resting on #3 
#7 return number of  #6 for each  #4 
#8 return #4 where  #7 is at least one 
#9 return if  #8 is in  one image