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: Cheyenne River | Statement: [Missouri River Basin, containsRiver, Cheyenne River]

Target entity: Cheyenne River
Context triple: [Missouri River Basin, containsRiver, Cheyenne River]

• A. Hon River
  The Hon River is a river in Hiroshima, Japan, that flows through the city’s center and past landmarks such as the Hiroshima Peace Memorial Park.
• B. River Cree
  River Cree is a river in southwestern Scotland that flows through Galloway to the Solway Firth, historically important for local industry, transport, and salmon fishing.
• C. Big Sioux River
  The Big Sioux River is a major tributary of the Missouri River that flows through eastern South Dakota and northwestern Iowa, shaping the region’s landscape and serving as an important natural and recreational resource.
• D. Niobrara River
  The Niobrara River is a scenic waterway in northern Nebraska known for its unique mix of Great Plains, Sandhills, and forest ecosystems and popular for canoeing, tubing, and wildlife viewing.
• E. Sisseton
  Sisseton are one of the traditional bands of the Dakota people, historically associated with the eastern plains and woodlands of what is now the Upper Midwest of the United States.
• 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: Cheyenne River
Triple: [Missouri River Basin, containsRiver, Cheyenne River]

The Cheyenne River is a major tributary of the upper Great Plains that flows through Wyoming and South Dakota before joining the Missouri River.

Target entity: Cheyenne River
Target entity description: The Cheyenne River is a major tributary of the upper Great Plains that flows through Wyoming and South Dakota before joining the Missouri River.

• A. Hon River
  The Hon River is a river in Hiroshima, Japan, that flows through the city’s center and past landmarks such as the Hiroshima Peace Memorial Park.
• B. River Cree
  River Cree is a river in southwestern Scotland that flows through Galloway to the Solway Firth, historically important for local industry, transport, and salmon fishing.
• C. Big Sioux River
  The Big Sioux River is a major tributary of the Missouri River that flows through eastern South Dakota and northwestern Iowa, shaping the region’s landscape and serving as an important natural and recreational resource.
• D. Niobrara River
  The Niobrara River is a scenic waterway in northern Nebraska known for its unique mix of Great Plains, Sandhills, and forest ecosystems and popular for canoeing, tubing, and wildlife viewing.
• E. Sisseton
  Sisseton are one of the traditional bands of the Dakota people, historically associated with the eastern plains and woodlands of what is now the Upper Midwest of the United States.
• F. None of above. chosen