In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Example Input: Standing on the steps of the Lincoln Memorial in August 1963 , King began with a reference , by the style of his opening phrase , to President Lincoln and his enduring words : " Five score years ago , a great American , in whose symbolic shadow we stand today , signed the Emancipation Proclamation .
Example Output: In August 1963 , King spoke of President Lincoln and his well-known words : " Five score years ago , a great American , in whose symbolic shadow we stand today , signed the Emancipation Proclamation .

Example Input: Though the process of peening ( surface hardening by impact ) has become rarer in metal fabrication , the ball-peen hammer remains useful for many tasks , such as striking punches and chisels ( usually performed with the flat face of the hammer ) .
Example Output: Though the process of peening has become rarer in metal fabrication , the ball-peen hammer remains useful for many tasks , such as striking punches and chisels .

Example Input: Kalman filter produces an estimate of the state of the system as an average of the system 's predicted state and of the new measurement using a weighted average .
Example Output:
Next , the Kalman filter makes a new guess by using a weighted average .