@prefix : <#> .
     @prefix delta: <http://www.w3.org/2004/delta#> .
     @prefix i: <http://www.w3.org/2002/12/cal/ical#> .
     @prefix zone: <http://www.w3.org/2002/12/cal/tzd/America/New_York#> .
    
     @forAll :_g0,
                :_g1,
                :_g2,
                :_g3 .
    {
        <http://www.w3.org/uid/009608A4-6FFB-11D9-B3B2-000A9580D8C0>     i:dtend :_g0 .
        
        }     delta:deletion {:_g0     zone:tz "2005-01-23T16:00:00" .
        } .
    {
        <http://www.w3.org/uid/009608A4-6FFB-11D9-B3B2-000A9580D8C0>     i:dtend :_g2 .
        
        }     delta:insertion {:_g2     zone:tz "2005-01-23T17:00:00" .
        } .
    {
        <http://www.w3.org/uid/009608A4-6FFB-11D9-B3B2-000A9580D8C0>     i:dtstart :_g1 .
        
        }     delta:deletion {:_g1     zone:tz "2005-01-23T15:00:00" .
        } .
    {
        <http://www.w3.org/uid/009608A4-6FFB-11D9-B3B2-000A9580D8C0>     i:dtstart :_g3 .
        
        }     delta:insertion {:_g3     zone:tz "2005-01-23T16:00:00" .
        } .