Appointments System for a Medical Center A medical center has two specialized clinics: dental and ophthalmology. As the demand for consultancy and treatment increases, the need to have an appropriate appointment system is necessary because these two clinics require to devote sufficient time to examine and treat patients. Your task is to analyze and design a system that can manage the patients' appointments. The primary users of this system are the recipients and the patient. Physicians also use this system to verify the biographic data of the patent when the latter enter the examination room. Patients request an appointment by sending an SMS message mentioning the time and the desired clinic. The appointment acknowledges by the system by replying to the patient's SMS.

Tasks to carry out:

1. Prepare a use case diagram for this system to reflect the use cases associated with each system user.

2. Minimize the number of use cases to no more than three.

3. Elaborate on each use case using a textual use case.

4. Prepare a sequence diagram showing the interactions when the patient requests an appointment.

note: i want the answer for all questions.