If there is one red and one blue folder.
return folders ;return #1 that is  red ;return #1 that is  blue ;return number of #2 ;return number of #3 ;return If #4 is  equal to one  ;return If #5 is  equal to one  ;return If both  #6 and #7 are  true
['select', 'filter', 'filter', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']