question: What shape is the small object that is to the right of the small matte cube and left of the small metallic cylinder?
#1 return the  small   matte cube 
#2 return the  small   metallic cylinder 
#3 return small   objects that are to the  right of #1 
#4 return #3 that are to the  left of #2 
#5 return shape of #4