If two light blue pencil bags are unzipped and showing the inside.
return pencil bags ;return #1 that are light blue ;return #2 that are unzipped ;return inside of #3 ;return #3 that are showing #4 ;return number of  #5 ;return if  #6 is equal to  two
['select', 'filter', 'filter', 'project', 'filter', 'aggregate', 'boolean']