$-$In a digital image processing system the input is an image and the output is as image while in a computer vision system the input is an image while the output in

Problem $3(10$ points$)$: Circle the best answer among the given choices

$-$Which among the following statements is correct:

A$)$ An admissible heuristic is always consertent.

B$)$ Hill climbing always finds a local maximum.

C$)$ If a sentence is satisfiable, then it is valid.

D$)$ None of the above.