Q$1$: $(5$pts$)$ Suppose that we design and implement an AI system presented as a nurse robot work in a hospital performing the tasks of the Physician, Answer these questions:

A$.(1$pts$)$ Which AI Applications used this system? Why?

B$.(1$pts$)$ What are its PEAS? Explain?

C$.(1$pts$)$ Supposed that the above system used Rule$-$based expert system, give a $5$ applied Rules for the system work, $4$ for these rules must be Complex rules at least $3$ of the rules must be a chain.

D$.(1$pts$)$ For the above rules that you proposed, change all to propositional logic formulas.

E$.(1$pts$)$ Select one of your Complex sentences converted to propositional logic formulas and derive the truth table, then appeared if there is a valid sentence in KB$.$