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: Southern Mam | Statement: [Northern Mam, closelyRelatedTo, Southern Mam]

Target entity: Southern Mam
Context triple: [Northern Mam, closelyRelatedTo, Southern Mam]

• A. Southern Mam chosen
  Southern Mam is a regional variety of the Mam Mayan language spoken primarily in parts of Guatemala.
• B. Lower South
  The Lower South is a cultural region of the southeastern United States characterized by its distinct historical development, plantation-based agriculture, and diverse Indigenous and African American cultural influences.
• C. Inland South
  The Inland South is a cultural and geographic subregion of the Southern United States characterized by its inland location away from the coasts, a mix of Appalachian and Deep South influences, and a predominantly rural, agrarian heritage.
• D. Southern Crescent
  The Southern Crescent was a famed Southern Railway passenger train that provided luxurious long-distance service between Washington, D.C., and New Orleans during the mid-20th century.
• E. Upper South
  The Upper South is a subregion of the United States generally referring to the northernmost tier of Southern states, often including Kentucky, Virginia, West Virginia, Tennessee, and sometimes parts of neighboring states, distinguished historically and culturally from the Deep South.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.