There are several ways to identify if a health service provider is a quackery or not. But the best solution is to check the establishment's practices. Be sure that there is a certificate from the government approving of the place. Nurses and doctors should check the vitals of patients. They must also always have a visible ID.
Eating healthy, exercising
The question is really vague, there could be many answers. But I'm guessing it's hate violence. The definition of hate violence is: "<span>speech or behavior that is aimed at a person or group based on personal characteristics" so lol I guess that'd be it.</span>
I believe it’s C sorry if I it’s wrong.