If in each image, at least one person is at a vending machine.
return images ;return people in  #1 ;return vending machines in  #1 ;return #2 at #3 ;return number of  #4 for each  #1 ;return #1 where  #5 is at least one ;return number of  #6 ;return number of  #1 ;return if  #7 is equal to  #8
['select', 'project', 'project', 'filter', 'group', 'comparative', 'aggregate', 'aggregate', 'boolean']