If there are four monkey-type animals including very young ones.
return animals ;return #1 that are monkey-type ;return #2 that are very young ;return number of  #2 ;return number of  #3 ;return if  #4 is equal to  four ;return if  #5 is at least one ;return if  both  #6 and #7 are true
['select', 'filter', 'filter', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']