question: Is the cube that is behind and to the left of the matte yellow cube the same size as the one that is behind and to the right of matte yellow cube?
#1 return cubes 
#2 return #1 that are matte  
#3 return #2 that are yellow 
#4 return #1 that are behind  of #3 
#5 return #4 that are to  the     left 
#6 return #4 that are to  the     right 
#7 return size of #5 
#8 return size of #6 
#9 return if #7 is  the     same as #8