Consider the following AND/OR graph to describe a simple automobile diagnostic system using IF-THEN rules. the problem is X Rule 1: the problem is spark plugs Rule 2: the problem is battery or cables Rule 3: the problem is the starter motor the engine the engine is will turn getting gas the engine does not turn over the lights do not the engine does not the lights do come over come on turn over on Rule 4: the engine is getting gas gas in fuel tank gas in carburetor Do you recommend data-driven or goal-driven search in this graph if we are diagnosing a problem with the automobile? Breadth-first or depth-first search? In what ways could heuristics assist the search? Justify your answers to these questions.

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