Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: Battle of Sharpsburg | Statement: [15th Alabama Infantry, battle, Battle of Sharpsburg]

Target entity: Battle of Sharpsburg
Context triple: [15th Alabama Infantry, battle, Battle of Sharpsburg]

• A. Battle of Sharpsburg chosen
  The Battle of Sharpsburg, also known as the Battle of Antietam, was a major American Civil War clash in Maryland in 1862 that became the bloodiest single-day battle in U.S. history and led to President Abraham Lincoln issuing the Emancipation Proclamation.
• B. Battle of Shepherdstown
  The Battle of Shepherdstown was a minor but strategically important American Civil War engagement in September 1862, marking the Confederate rearguard action as Robert E. Lee’s army withdrew across the Potomac River after the Maryland Campaign.
• C. Battle of Marye's Heights
  The Battle of Marye's Heights was a key phase of the American Civil War’s Battle of Fredericksburg, marked by devastating Union assaults against well-entrenched Confederate forces on a fortified ridge above the town.
• D. Battle of Chancellorsville
  The Battle of Chancellorsville was a major American Civil War engagement in 1863 in Virginia, noted for Confederate General Robert E. Lee’s audacious and tactically brilliant victory over a much larger Union force.
• E. Battle of Second Manassas
  The Battle of Second Manassas, also known as the Second Battle of Bull Run, was a major Confederate victory in August 1862 during the American Civil War that solidified General Robert E. Lee’s offensive momentum in the Eastern Theater.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.