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.

Example Input: on 8 november 1917 , lenin was elected the chairman of the council of people 's commissars by the russian congress of soviets.
Example Output: on 8 november 1917 , the russian congress eclected lenin as a chairman of the council of people 's commissars.

Example Input: he reigned from 1804 to 1824.
Example Output: he ruled as king from 1804 to 1824.

Example Input: on occasion the male " den master " will also allow a second male into the den ; the reason for this is unclear.
Example Output:
no one knows why a male " den master " will sometimes let another male into the den.