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: Iowa–South Dakota border | Statement: [Hawarden, Iowa, borderFeature, Iowa–South Dakota border]

Target entity: Iowa–South Dakota border
Context triple: [Hawarden, Iowa, borderFeature, Iowa–South Dakota border]

• A. Siouxland region
  The Siouxland region is a tri-state area in the upper Midwest of the United States, centered around Sioux City and encompassing parts of Iowa, Nebraska, and South Dakota.
• B. Iowa
  Iowa is a Midwestern U.S. state known for its extensive agriculture, especially corn and soybean production, and its role in national politics through the Iowa caucuses.
• C. Nebraska–Iowa region
  The Nebraska–Iowa region is a bi-state area in the central United States that encompasses communities and economic activity spanning the border between eastern Nebraska and western Iowa, including the Omaha–Council Bluffs metropolitan area.
• D. Yankton, South Dakota, United States
  Yankton is a small city in southeastern South Dakota known as a historic Missouri River port and the birthplace of NFL kicker Adam Vinatieri.
• E. Southwestern Iowa
  Southwestern Iowa is a region of the U.S. state of Iowa that encompasses several counties, including Pottawattamie County, and is characterized by its mix of agricultural land, small cities, and proximity to the Missouri River and Omaha metropolitan area.
• 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: Iowa–South Dakota border
Triple: [Hawarden, Iowa, borderFeature, Iowa–South Dakota border]

The Iowa–South Dakota border is the state line in the north-central United States that largely follows the course of the Big Sioux River, separating Iowa from South Dakota.

Target entity: Iowa–South Dakota border
Target entity description: The Iowa–South Dakota border is the state line in the north-central United States that largely follows the course of the Big Sioux River, separating Iowa from South Dakota.

• A. Siouxland region
  The Siouxland region is a tri-state area in the upper Midwest of the United States, centered around Sioux City and encompassing parts of Iowa, Nebraska, and South Dakota.
• B. Iowa
  Iowa is a Midwestern U.S. state known for its extensive agriculture, especially corn and soybean production, and its role in national politics through the Iowa caucuses.
• C. Nebraska–Iowa region
  The Nebraska–Iowa region is a bi-state area in the central United States that encompasses communities and economic activity spanning the border between eastern Nebraska and western Iowa, including the Omaha–Council Bluffs metropolitan area.
• D. Yankton, South Dakota, United States
  Yankton is a small city in southeastern South Dakota known as a historic Missouri River port and the birthplace of NFL kicker Adam Vinatieri.
• E. Southwestern Iowa
  Southwestern Iowa is a region of the U.S. state of Iowa that encompasses several counties, including Pottawattamie County, and is characterized by its mix of agricultural land, small cities, and proximity to the Missouri River and Omaha metropolitan area.
• F. None of above. chosen