what is the color of the cube that is different material from the others?
return cubes ;return materials of #1 ;return number of  #1 for each  #2 ;return #2 where #3 is  equal to  one ;return #1 where #2 is  the   same as #4 ;return color of #5
['select', 'project', 'group', 'comparative', 'comparative', 'project']