This version was suggested by Christoph Voelker. Get it from https://lalescu.ro/liviu/fet/download/custom/aap/
The activities have no teachers and no students sets, only a subject. And they are allocated to FET days = real-life teachers, and to FET hours = real-life students sets.
See this forum topic for more details: https://lalescu.ro/liviu/fet/forum/index.php?topic=4066.0