// OC mesg inside array/dictionary
_sections1 = @[
[  SectionModel resultsWithContacts:contacts]
];

_sections2 = @[
[[SectionModel mesg]  resultsWithContacts1: contacts1],
[[SectionModel mesg]  resultsWithContacts2: contacts2]
];

_sections3 = @[[SectionModel resultsWithContacts:contacts]];

@[
  something
  ];

@[
  [something mesg]
  ];