If there is a dog laying on a dog bed cuddling a stuffed toy
return dog  ;return dog  bed ;return #1 that is laying ;return #3 that is on #2 ;return stuffed toy ;return #4 that is cuddling #5 ;return number of  #6 ;return if  #7 is at least one
['select', 'select', 'filter', 'filter', 'select', 'filter', 'aggregate', 'boolean']