If there are two pencil cases and they both have a similar long shape.
return pencil cases ;return shape of #1 ;return #1 where  #2 is long ;return #1 where  #2 is similar ;return #1 in  both  #3 and #4 ;return number of  #1 ;return number of  #5 ;return if  #6 is equal to  two ;return if  #7 is equal to  two ;return if  both  #8 and #9 are true
['select', 'project', 'comparative', 'comparative', 'intersection', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']