@prefix log: <http://www.w3.org/2000/10/swap/log#>.
@prefix : <http://example.com/>.

:taskA a :CompositeTask.
:taskA1 a :Completed.
:taskA2 a :Completed.
:taskA a :Completed.
:taskA :subtask :taskA1.
:taskA :subtask :taskA2.

