Original: The delegation included Sean Mac Stiofain ( Chief of Staff ) , Daithi O'Conaill , Seamus Twomey , Ivor Bell , Martin McGuinness and Gerry Adams , and Myles Shevlin , a Dublin solicitor .
Simplified: The IRA delegation included Sean Mac Stiofain ( Chief of Staff ) , Daithi O'Conaill , Seamus Twomey , Ivor Bell , Martin McGuinness and Gerry Adams .