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: Big Lost River | Statement: [Custer County, Idaho, contains, Big Lost River]

Target entity: Big Lost River
Context triple: [Custer County, Idaho, contains, Big Lost River]

• A. Little Lost River
  The Little Lost River is an intermittent river in Idaho that flows through a remote valley between mountain ranges before disappearing into the Snake River Plain.
• B. East Fork Big Lost River
  East Fork Big Lost River is a mountain stream in central Idaho that serves as a primary headwater branch of the Big Lost River, flowing through remote, high-elevation terrain.
• C. North Fork Big Lost River
  The North Fork Big Lost River is a mountain river in central Idaho that drains part of the Pioneer Mountains and contributes to the Big Lost River system in the arid Lost River Valley.
• D. Winchuck River
  The Winchuck River is a coastal stream in southwestern Oregon that flows through forested terrain before emptying into the Pacific Ocean near the California border.
• E. Ronco River
  The Ronco River is a watercourse in the Emilia-Romagna region of northern Italy that flows through the Province of Ravenna before joining the Montone River near the city of Ravenna.
• 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: Big Lost River
Triple: [Custer County, Idaho, contains, Big Lost River]

Big Lost River is a seasonal, sink-like river in central Idaho known for disappearing into the Snake River Aquifer rather than reaching the ocean.

Target entity: Big Lost River
Target entity description: Big Lost River is a seasonal, sink-like river in central Idaho known for disappearing into the Snake River Aquifer rather than reaching the ocean.

• A. Little Lost River
  The Little Lost River is an intermittent river in Idaho that flows through a remote valley between mountain ranges before disappearing into the Snake River Plain.
• B. East Fork Big Lost River
  East Fork Big Lost River is a mountain stream in central Idaho that serves as a primary headwater branch of the Big Lost River, flowing through remote, high-elevation terrain.
• C. North Fork Big Lost River
  The North Fork Big Lost River is a mountain river in central Idaho that drains part of the Pioneer Mountains and contributes to the Big Lost River system in the arid Lost River Valley.
• D. Winchuck River
  The Winchuck River is a coastal stream in southwestern Oregon that flows through forested terrain before emptying into the Pacific Ocean near the California border.
• E. Ronco River
  The Ronco River is a watercourse in the Emilia-Romagna region of northern Italy that flows through the Province of Ravenna before joining the Montone River near the city of Ravenna.
• F. None of above. chosen