class diagram for medical expret system that asks the user multiple questions to reach a conclusion as well as database updated by admin.Please answer the given question according to how you feel.

Have you had these symptoms for more then a week?

Yes

$No$

$$ Not sure

Do you feel fatigued $($exhaustion$,$ feeling week$)?$

@ Yes

No

Not sure

Is your body temperature higher then $37c?$

Yes

$No$

Not sure