If one fluffy dog is standing in the grass near flowers.
return dogs ;return #1 that are fluffy ;return the  grass ;return #2 standing in  #3 ;return flowers ;return #4 near #5 ;return number of  #6 ;return if  #7 is equal to  one
['select', 'filter', 'select', 'filter', 'select', 'filter', 'aggregate', 'boolean']