If all of the animals are a type of guinea pig and none of them are sitting on top of each other.
return animals ;return guinea pig ;return #1 that are sitting on top of   each other ;return number of  #1 ;return number of  #2 ;return number of  #3 ;return if  #5 is equal to  #4 ;return if  #6 is equal to  zero ;return if  both  #7 and #8 are true
['select', 'select', 'filter', 'aggregate', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']