In Artificial Intelligence $($a$)$ Use your own words to define $($a: agent$),$ and $($b: rational agent$)$ in AI$.$

$($b$)$ In the context of Al$,$ describe what are PEAS.

$($c$)$ For one of the following agents, develop a PEAS description:

pick & place robot

smart wheelchair

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self$-$driving cars please give a correct and step by step answer