Hi, I would be interested in your opinion of what the best way is to

Hi Moritz, my first idea is: First task is assigned to a group, second task to the groupmembers minus the owner of the first task. But assignment to multiple persons might be a problem.
Second idea is: Each task is made of two tasks. The first one implements an accept/reject task. Then the process chains some nodes to check the conditions and then goes to the real task.