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: River Ellen | Statement: [River Derwent (Cumbria), hasTributary, River Ellen]

Target entity: River Ellen
Context triple: [River Derwent (Cumbria), hasTributary, River Ellen]

• A. River Mein
  River Mein is a small river in Dumfries and Galloway in southwest Scotland, flowing near the village of Ecclefechan.
• B. River Roch
  The River Roch is a waterway in Greater Manchester, England, that flows through the town of Rochdale and has historically supported its local industry and settlement.
• C. River Brock
  River Brock is a small river in Lancashire, England, known for flowing through the Forest of Bowland before joining the River Wyre.
• D. River Kale
  The River Kale is a small river in the Scottish Borders that rises in the Cheviot Hills and flows through rural Northumberland and Roxburghshire before joining the River Teviot.
• E. River Len
  The River Len is a small river in Kent, England, known for flowing through the town of Maidstone and contributing to the River Medway system.
• 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: River Ellen
Triple: [River Derwent (Cumbria), hasTributary, River Ellen]

River Ellen is a small river in Cumbria, England, that flows through the Solway Plain before joining the River Derwent.

Target entity: River Ellen
Target entity description: River Ellen is a small river in Cumbria, England, that flows through the Solway Plain before joining the River Derwent.

• A. River Mein
  River Mein is a small river in Dumfries and Galloway in southwest Scotland, flowing near the village of Ecclefechan.
• B. River Roch
  The River Roch is a waterway in Greater Manchester, England, that flows through the town of Rochdale and has historically supported its local industry and settlement.
• C. River Brock
  River Brock is a small river in Lancashire, England, known for flowing through the Forest of Bowland before joining the River Wyre.
• D. River Kale
  The River Kale is a small river in the Scottish Borders that rises in the Cheviot Hills and flows through rural Northumberland and Roxburghshire before joining the River Teviot.
• E. River Len
  The River Len is a small river in Kent, England, known for flowing through the town of Maidstone and contributing to the River Medway system.
• F. None of above. chosen