Identify the option with the scenario or scenarios that can be implemented in the context of task permissions.
1. The ActivateDSL Role, which requires normal processing of an activation task, requires permission to execute this task under the "DO" execution mode.
2. The OrderFulfillment Role, which needs to roll back the activation operations previously performed by an activation task, requires permission to execute this task only under the "Amend DO" and "UNDO" execution modes.
3. The InventoryUpdate Role, which executes reassignment of resources in the inventory system by re- executing a previously performed task in an order under revision, requires permission to execute this task only under the "REDO" execution mode.