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one Task, two Data Objects (abstract semantics)
Documentation
So, What execution semantics could be assigned to this situation?
1 ) The task creates/changes value/state of both A and B?
2 ) The task creates/changes non-deterministically either A or B?
It is obvious that the selection between the two options above is totally objective. BPMN would need mode modeling constructs if it would clearly distinguish the two situations
