If one image shows exactly two brown acorns in back-to-back caps on green foliage.
return acorns ;return #1 that are  brown ;return caps of  #2 ;return #2 where #3 are  back-to-back ;return foliage ;return #5 that is  green ;return #4 on #6 ;return images of  #7 ;return number of #7 for each #8 ;return #8 where #9 is  equal to two ;return number of #10 ;return if  #11 is  equal to one
['select', 'filter', 'project', 'comparative', 'select', 'filter', 'filter', 'project', 'group', 'comparative', 'aggregate', 'boolean']