How many other objects are the same size as the gray cube?
return the  gray cube ;return the  size of #1 ;return objects ;return #3 besides #1 ;return the  sizes of #4 ;return #4 where #5 is  the  same as #2 ;return the  number of  #6
['select', 'project', 'select', 'discard', 'project', 'comparative', 'aggregate']