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: Maryland Campaign | Statement: [1st Massachusetts Cavalry, participatedIn, Maryland Campaign]

Target entity: Maryland Campaign
Context triple: [1st Massachusetts Cavalry, participatedIn, Maryland Campaign]

• A. Maryland Campaign chosen
  The Maryland Campaign was Confederate General Robert E. Lee’s first major invasion of the North during the American Civil War in 1862, culminating in the Battle of Antietam.
• B. Manassas Campaign
  The Manassas Campaign was the early American Civil War operation in northern Virginia that culminated in the First Battle of Bull Run, marking the war’s first major land engagement.
• C. Northern Virginia Campaign
  The Northern Virginia Campaign was a series of American Civil War battles in the summer of 1862 in which Confederate forces under Robert E. Lee drove Union armies out of Virginia, culminating in the Second Battle of Bull Run.
• D. Gettysburg Campaign
  The Gettysburg Campaign was a major 1863 Confederate offensive into Union territory during the American Civil War that culminated in the pivotal Battle of Gettysburg.
• E. Fredericksburg campaign
  The Fredericksburg campaign was a major American Civil War operation in late 1862 in which Union forces under Ambrose Burnside attempted and failed to seize the Confederate stronghold of Fredericksburg, Virginia, resulting in a lopsided Confederate victory.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.