 Typically they would require teams of people coming together because they bring different inspirations and sometimes it is from different disciplines. So let's take the problem of water. Water is not just a science problem or an engineering problem or a policy problem or a business problem or a cultural problem or a social problem or a behavioral problem. It's all of the above and more. So then if you really want to find a complete solution, a comprehensive solution to this problem, you need to bring all of that thought processes together to be able to find a true solution.