If two barbers, one in each image, are standing and working on the hair of a sitting customer.
return barbers ;return #1 that are standing ;return customer ;return #3 that is sitting ;return hair of #4 ;return #2 that are working on #5 ;return images of #6 ;return number of  #6 for each  #7 ;return #7 where  #8 is equal to  one ;return number of  #9 ;return if  #10 is equal to  two
['select', 'filter', 'select', 'filter', 'project', 'filter', 'project', 'group', 'comparative', 'aggregate', 'boolean']