Are all of the large blue objects made of the same material?
return objects ;return #1 that are large ;return #2 that are blue ;return materials of #3 ;return number of  #3 for each  #4 ;return the highest of #5 ;return number of  #3 ;return if #6 is  equal to  #7
['select', 'filter', 'filter', 'project', 'group', 'aggregate', 'aggregate', 'boolean']