Task: Question Answering
Input (English): passage: The Battle of Gettysburg (locally /ˈɡɛtɪsbɜːrɡ/ ( listen), with an /s/ sound) was fought July 1--3, 1863, in and around the town of Gettysburg, Pennsylvania, by Union and Confederate forces during the American Civil War. The battle involved the largest number of casualties of the entire war and is often described as the war's turning point. Union Maj. Gen. George Meade's Army of the Potomac defeated attacks by Confederate Gen. Robert E. Lee's Army of Northern Virginia, halting Lee's invasion of the North.
 question: was the battle of gettysburg the bloodiest battle of the civil war?
Output (English): Yes