How many of the objects are not purple or round?
return objects ;return #1 that  are purple ;return #1 that  are round ;return #1 besides #2 ;return #1 besides #3 ;return number of #4 ;return number of #5 ;return #6 , #7
['select', 'filter', 'filter', 'discard', 'discard', 'aggregate', 'aggregate', 'union']