I would thing that the answer is A
A concussion, as found on Google, is a "temporary unconsciousness caused by a blow to the head.", which means a really hard hit to the head, and then a knock out or a blackout
Some symptoms that are usually associated with a concussion can be but are not limited to: headaches, memory loss (if severe), nausea, vomiting, slurred speech, confusion, and fatigue. There can also be sleep disturbances, sensitivity to any type of change, such as air or light, and disorders of the 5 senses (sound, sight, touch, smell, and taste).
Overview of Legal and Ethical Issues in Health Care. The law has a lot to say about personal decision-making. For example, people have the legal right to make their own health care decisions. However, poor health can jeopardize people's ability to exercise their legal rights.
I think it would be the Dance Studio. I'm sorry if I'm wrong.