2. . Draw an E-R diagram for a database for a hospital: The hospital has a large number of registered physicians. Each physician has a Name, Specialty and a unique Physician_ID. Patients that are currently admitted. Patients are admitted to the hospital by physicians. Each patient has a Patient_Name and a unique Patient_ID. Any patient who is admitted must have exactly one admitting physician. A physician may admit any number of patients. Once admitted, a given patient may be treated by any number of physicians. A particular physician may treat any number of patients. Whenever a patient is treated by a physician, the hospital wishes to record the details of the treatment, including Date, Time and Results. Hint: Between two entity sets, there can exist more than one relationship set