Is there a purple object the same shape as the green matte object?
return objects ;return #1 that  is  green ;return #2 that  is  matte ;return #1 that  are purple ;return the  shape of #3 ;return the  shape of #4 ;return #4 where #6 is  the  same as #5 ;return the  number of  #7 ;return is  #8 more than  zero
['select', 'filter', 'filter', 'filter', 'project', 'project', 'comparative', 'aggregate', 'boolean']