If all the dogs are standing on all fours in the grass.
return dogs ;return all fours of  #1 ;return #1 standing on #2 ;return the  grass ;return #3 in  #4 ;return number of #5 ;return number of #1 ;return if  #6 is  equal to #7
['select', 'project', 'filter', 'select', 'filter', 'aggregate', 'aggregate', 'boolean']