If all four dogs are standing up.
return dogs ;return #1 that are standing up ;return number of  #1 ;return number of  #2 ;return if  #3 is equal to  #4 ;return if  #4 is equal to  four ;return if  both  #5 and #6 are true
['select', 'filter', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']