Input (grade 12): Abraham Lincoln (February 12, 1809 â "April 15, 1865) served as the 16th President of the United States from March 1861 until his assassination in April 1865.
Output (grade 7): Abraham Lincoln (February 12, 1809 â "April 15, 1865) was the 16th President of the United States. He served as president from 1861 to 1865, during the American Civil War.