question: What color is the object to the right of the shiny sphere and to the left of the green object?
#1 return objects 
#2 return sphere 
#3 return #2 that is shiny 
#4 return #1 that is green 
#5 return #1 to the  right of #3 
#6 return #5 to the  left of #4 
#7 return color of #6