Are there any cubes the same size as the gray sphere?
return the  gray sphere ;return cubes ;return size of #1 ;return sizes of #2 ;return #2 where #4 is the  same as #3 ;return number of  #5 ;return if #6 is at least one
['select', 'select', 'project', 'project', 'comparative', 'aggregate', 'boolean']