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: Dakota Territory | Statement: [Old West, includesRegion, Dakota Territory]

Target entity: Dakota Territory
Context triple: [Old West, includesRegion, Dakota Territory]

• A. Wyoming
  Wyoming is a sparsely populated U.S. state known for its vast plains, the Rocky Mountains, and iconic national parks like Yellowstone and Grand Teton.
• B. South Dakota
  South Dakota is a largely rural U.S. state known for the Black Hills, Mount Rushmore, and its Native American heritage.
• C. Montana
  Montana is a large, sparsely populated U.S. state in the northern Rocky Mountains known for its expansive wilderness, national parks like Glacier, and wide-open "Big Sky" landscapes.
• D. New Mexico
  New Mexico is a southwestern U.S. state known for its diverse landscapes, rich Native American and Hispanic cultural heritage, and historic cities like Santa Fe and Albuquerque.
• E. Nebraska
  Nebraska is a landlocked U.S. state on the Great Plains known for its agriculture, prairies, and role as a historic crossroads for westward expansion.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Dakota Territory
Triple: [Old West, includesRegion, Dakota Territory]

Dakota Territory was a vast 19th-century U.S. frontier territory in the northern Great Plains that later gave rise to the states of North Dakota and South Dakota.

Target entity: Dakota Territory
Target entity description: Dakota Territory was a vast 19th-century U.S. frontier territory in the northern Great Plains that later gave rise to the states of North Dakota and South Dakota.

• A. Wyoming
  Wyoming is a sparsely populated U.S. state known for its vast plains, the Rocky Mountains, and iconic national parks like Yellowstone and Grand Teton.
• B. South Dakota chosen
  South Dakota is a largely rural U.S. state known for the Black Hills, Mount Rushmore, and its Native American heritage.
• C. Montana
  Montana is a large, sparsely populated U.S. state in the northern Rocky Mountains known for its expansive wilderness, national parks like Glacier, and wide-open "Big Sky" landscapes.
• D. New Mexico
  New Mexico is a southwestern U.S. state known for its diverse landscapes, rich Native American and Hispanic cultural heritage, and historic cities like Santa Fe and Albuquerque.
• E. Nebraska
  Nebraska is a landlocked U.S. state on the Great Plains known for its agriculture, prairies, and role as a historic crossroads for westward expansion.
• F. None of above.