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What is the goal of a planning problem?

  • A.A condition the final state must satisfy
  • B.The single state the agent is required to reach exactly
  • C.The action the agent must perform at the end of the plan
  • D.The reward the agent receives once the plan is complete

Answer: A

A goal is a partial description, so any state satisfying it will do and the planner need not know which one it will reach. Requiring an exact state would be far more restrictive and rarely what is wanted. Final actions and rewards are different notions, the last belonging to decision theoretic planning. Specifying an outcome by the conditions it must meet, rather than exhaustively, is what makes goals expressible at all in a large state space. Most errors here come from carrying a result across from a neighbouring case where it does not hold.

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