Which customers have both "On Road" and "Shipped" as order status? List the customer names.
return customers ;return orders of  #1 ;return statuses of  #2 ;return #1 where #3 is  On Road ;return #1 where #3 is  Shipped ;return #1 of  both #4 and  #5 ;return customer names of  #6
['select', 'project', 'project', 'comparative', 'comparative', 'intersection', 'project']