If some of the dingoes are howling.
return dingoes ;return #1 that are howling ;return number of  #1 ;return number of  #2 ;return difference of #3 and #4 ;return number of  #5 ;return if  #4 is at least one ;return if  #6 is at least one ;return if  both  #7 and #8 are true
['select', 'filter', 'aggregate', 'aggregate', 'arithmetic', 'aggregate', 'boolean', 'boolean', 'boolean']