Easy and meaningful fast to all! Which activities are allowed/disallowed on YK?

Which of these activities are allowed/not allowed and are is there some sort of ranking of which is the “worst” to do?

1. Eat and drink
2. Argue
3. Sexual activity incl. masturbation
4. Cook
5. Drive
6. Exercise
7. Write
8. Use electricity
9. Perform or undergo medical surgery
10. Participate in military activities (as a soldier)
11. Use a “shabbat goy” to do 5,7, or 8