loa#project Mostro
   goals:
       (a study, object: "...", time: from 1/10/2004),
   participant:
       ({Roberta, Nicola},
            object of: (a decision,
                              (date: 8/10/2004,
                               reason: "...",
                               object: {"option 1...", "options 2 ..." }
                              )
                       )
       )
   subtask:
     { (a definition,
             object:
             goal:
             time:
             agent: Roberta
       ),
       ( ...
       )
     }