If there are exactly 6 cups, and no other objects.
return cups ;return objects ;return #2 besides  #1 ;return number of  #1 ;return number of  #3 ;return if  #4 is equal to  6 ;return if  #5 is equal to  zero ;return if  both  #6 and #7 are true
['select', 'select', 'discard', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']