need help for this

(1) First, provide a definition for a nonprofit organization, 

(2) Next, list one national nonprofit organization that is not already listed by someone else on the discussion board - c'mon, there are hundreds of thousands of such organizations nationwide. Please find a non-profit by going to the following web source:  http://www.nonprofitlist.org/

(3) Answer which of these you consider to be a private nonprofit organization and why (a. A nail salon that has never made money, b. The American Red Cross, c. The Holland Tunnel, d. The Army)