If at least 2 vultures are sitting in a tree in one of the pictures.
return vultures ;return a  tree ;return #1 sitting in  #2 ;return pictures of #3 ;return number of  #3 for each  #4 ;return #4 where  #5 is at least 2 ;return number of  #6 ;return if  #7 is equal to  one
['select', 'select', 'filter', 'project', 'group', 'comparative', 'aggregate', 'boolean']