If one dog with a dark muzzle is reclining on the grass, and at least one dog has an opened, non-snarling mouth.
return dogs ;return muzzle of #1 ;return #1 where  #2 is dark ;return the  grass ;return #3 that are reclining on #4 ;return number of  #5 ;return if  #6 is equal to  one ;return mouth of #1 ;return #1 where  #8 is opened ;return #1 where  #8 is non-snarling ;return #1 in  both  #9 and #10 ;return number of  #11 ;return if  #12 is at least one ;return if  both  #7 and #13 are true
['select', 'project', 'comparative', 'select', 'filter', 'aggregate', 'boolean', 'project', 'comparative', 'comparative', 'intersection', 'aggregate', 'boolean', 'boolean']