Whilst trying to create an event:
Too many icons for the participants are confusing.
Steps to reproduce:
1. Create an event on any day
2. Go to the Category "Participants"
3. Go to "Find Availablitiy"
4. In the legend there are the Icons shown, with their meaning
Actual result: Getting confused by all the different choices.
Expected result: There should be only two options "free" (frei), "booked" (gebucht)