If all dog sled teams are heading diagonally to the left with evergreen trees in the background.
return dog sled teams ;return #1 that are heading diagonally to  the  left ;return trees ;return #3 that are evergreen ;return background ;return #4 that is in  #5 ;return #2 that are with #6 ;return number of  #1 ;return number of  #7 ;return if  #8 is equal to  #9
['select', 'filter', 'select', 'filter', 'select', 'filter', 'filter', 'aggregate', 'aggregate', 'boolean']