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: on 8 november 1917 , lenin was elected the chairman of the council of people 's commissars by the russian congress of soviets.

Answer: on 8 november 1917 , the russian congress eclected lenin as a chairman of the council of people 's commissars.


Question: lenzburg transformed into the economic centre of the region in the 19th century.

Answer: lenzburg transformed into the economic center of the region in the 19th century.


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

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