If at least one gorilla has his mouth open showing teeth.
return gorillas ;return mouth of #1 ;return #1 where  #2 is open ;return teeth of #3 ;return #3 that is showing #4 ;return number of  #5 ;return if  #6 is at least one
['select', 'project', 'comparative', 'project', 'filter', 'aggregate', 'boolean']