Are the two spheres shiny or matte?
return spheres ;return #1 that are shiny ;return #1 that are matte ;return number of  #2 ;return number of  #3 ;return if #4 is equal to two ;return if #5 is equal to two ;return which is true of #6 ,  #7
['select', 'filter', 'filter', 'aggregate', 'aggregate', 'boolean', 'boolean', 'comparison']