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 Ravensbourne | Statement: [London Borough of Lewisham, river, River Ravensbourne]

Target entity: River Ravensbourne
Context triple: [London Borough of Lewisham, river, River Ravensbourne]

• A. Sankey Brook
  Sankey Brook is a watercourse in North West England that forms part of the River Mersey catchment and flows through the St Helens and Warrington area.
• B. River Misbourne
  The River Misbourne is a chalk stream in the Chiltern Hills of Buckinghamshire, England, flowing through towns such as Great Missenden and Amersham before joining the River Colne.
• C. River Ryburn
  River Ryburn is a river in West Yorkshire, England, that flows through the Ryburn Valley and joins the River Calder near the town of Sowerby Bridge.
• D. River Lea
  The River Lea is a major tributary of the River Thames in southeast England, flowing through Bedfordshire, Hertfordshire, and Greater London and historically supporting navigation, industry, and water supply for the region.
• E. River Loddon
  River Loddon is a tributary of the River Thames in southern England, flowing through Hampshire and Berkshire and known for its scenic rural landscapes and wildlife habitats.
• 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 Ravensbourne
Triple: [London Borough of Lewisham, river, River Ravensbourne]

The River Ravensbourne is a tributary of the River Thames in southeast London, flowing through areas including Bromley and Lewisham before joining the Thames at Deptford Creek.

Target entity: River Ravensbourne
Target entity description: The River Ravensbourne is a tributary of the River Thames in southeast London, flowing through areas including Bromley and Lewisham before joining the Thames at Deptford Creek.

• A. Sankey Brook
  Sankey Brook is a watercourse in North West England that forms part of the River Mersey catchment and flows through the St Helens and Warrington area.
• B. River Misbourne
  The River Misbourne is a chalk stream in the Chiltern Hills of Buckinghamshire, England, flowing through towns such as Great Missenden and Amersham before joining the River Colne.
• C. River Ryburn
  River Ryburn is a river in West Yorkshire, England, that flows through the Ryburn Valley and joins the River Calder near the town of Sowerby Bridge.
• D. River Lea
  The River Lea is a major tributary of the River Thames in southeast England, flowing through Bedfordshire, Hertfordshire, and Greater London and historically supporting navigation, industry, and water supply for the region.
• E. River Loddon
  River Loddon is a tributary of the River Thames in southern England, flowing through Hampshire and Berkshire and known for its scenic rural landscapes and wildlife habitats.
• F. None of above. chosen