If there are two dogs here, and at least one of them is a pup.
return dogs ;return the  number of  #1 ;return if  #2 is equal to  two ;return #1 that are pups ;return the  number of  #4 ;return if  #5 is at least one ;return if  both  #3 and #6 is true
['select', 'aggregate', 'boolean', 'filter', 'aggregate', 'boolean', 'boolean']