In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.
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Question: influences regional at the end of the 12th century europe was divided into a multitude of city states and kingdoms.

Answer: europe was divided into a large number of city , states , and kingdoms at the end of the 12th century due to regional influences.

Question: finished by ad 8 , possibly published posthumously.

Answer: completed by ad 8 , likely published after death.

Question: introduction electrical energy conservation is an important element of energy policy.

Answer:
introduction electrical energy custody is an important element of energy policy.