Suppose a knowledge base contains just the following first-order Horn clauses:Ancestor(Mother(x), x)Ancestor(x, y) ∧ Ancestor(y, z) ⇒ Ancestor(x, z)Consider a forward chaining algorithm that, on the jth iteration, terminates if the KB contains a sentence that unifies with the query, else adds to the KB every atomic sentence that can be inferred from the sentences already in the KB after iteration          j − 1.                                                                                                                                                                 Can a resolution algorithm prove the sentence ¬Ancestor(John,John) from the originalknowledge base? Explain how, or why not.

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