If a baby gorilla is holding onto an adult in an image with only two gorillas.
return gorilla ;return #1 that is a  baby ;return #1 that is an  adult ;return if  #2 is holding onto #3 ;return number of  #1 ;return if  #5 is equal to  two ;return if  both  #4 and #6 are true
['select', 'filter', 'filter', 'boolean', 'aggregate', 'boolean', 'boolean']