If each image shows an empty beaker with a four-sided shape printed on its front side.
return beaker ;return #1 that is empty ;return front side of #2 ;return shape printed on #3 ;return #4 that is four-sided ;return #2 that has #5 ;return images ;return number of  #6 for each  #7 ;return #7 where  #8 is at least one ;return number of  #7 ;return number of  #9 ;return if  #10 is equal to  #11
['select', 'filter', 'project', 'project', 'filter', 'filter', 'select', 'group', 'comparative', 'aggregate', 'aggregate', 'boolean']