If three 2 liter soda bottles have no labels.
return soda bottles ;return #1 that are  2 liters ;return labels ;return #2 with  #3 ;return #2 besides  #4 ;return number of #5 ;return if  #6 is  equal to three
['select', 'filter', 'select', 'filter', 'discard', 'aggregate', 'boolean']