If two parrots facing opposite directions are perched on the same branch and have overlapping bodies.
return parrots ;return directions that #1 are facing ;return #1 where  #2 is opposite ;return branches ;return #4 that #3 are perched on ;return #3 where  #5 is the  same ;return bodies of #6 ;return #6 where  #7 is overlapping ;return number of  #8 ;return if  #9 is equal to  two
['select', 'project', 'comparative', 'select', 'filter', 'comparative', 'project', 'comparative', 'aggregate', 'boolean']