question: how many cubes are matte but not the same size as the nearest sphere?
#1 return cubes 
#2 return #1 that  are matte 
#3 return sphere 
#4 return #3 that  is  nearest to  #2 
#5 return sizes of #2 
#6 return size of #4 
#7 return #2 where #5 is  not the  same as #6 
#8 return number of  #7