If at least one image shows an upright roll of white towels on a stand.
return towels ;return #1 that are white ;return roll of #2 ;return #3 that is upright ;return stand ;return #4 on #5 ;return images of #6 ;return the  number of  #7 ;return if  #8 is at least one
['select', 'filter', 'project', 'filter', 'select', 'filter', 'project', 'aggregate', 'boolean']