If all laptops have the screen part attached to the keyboard base, and no laptop is displayed head-on.
return laptops ;return #1 that are displayed head-on ;return number of  #2 ;return if  #3 is equal to  zero ;return screen part of #1 ;return keyboard base of #1 ;return #1 where  #5 is attached to  #6 ;return number of  #7 ;return number of  #1 ;return if  #8 is equal to  #9 ;return if  both  #4 and #10 are true
['select', 'filter', 'aggregate', 'boolean', 'project', 'project', 'comparative', 'aggregate', 'aggregate', 'boolean', 'boolean']