Examine this next scenario and attempt to draw the entity model that matches it.
Mosspark Surgery has doctors, nurses, midwives and patients. The patient has to telephone for appointments with the doctors or nurses and these appointments are allocated by the receptionist. An appointment can only be made with one doctor, midwife or nurse at a time. A patient may also only be registered with one doctor.
The answer is given on the next page, but don't look at it until you've tried to answer yourself.
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