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: Usumacinta–Grijalva river system | Statement: [Grijalva River, partOf, Usumacinta–Grijalva river system]

Target entity: Usumacinta–Grijalva river system
Context triple: [Grijalva River, partOf, Usumacinta–Grijalva river system]

• A. Río Fuerte–Mayo–Yaqui system
  The Río Fuerte–Mayo–Yaqui system is a network of major rivers in northwestern Mexico that drains the Sierra Madre Occidental and supports extensive irrigation and agriculture before emptying into the Gulf of California.
• B. Grijalva River
  The Grijalva River is a major river in southeastern Mexico that flows through the states of Chiapas and Tabasco, supporting hydroelectric power generation and agriculture before emptying into the Gulf of Mexico.
• C. Río Yaqui
  Río Yaqui is one of the major rivers in northwestern Mexico, flowing through the state of Sonora and supporting extensive agricultural regions before reaching the sea.
• D. Zapote River
  The Zapote River is a waterway in the southern part of Metro Manila and Cavite in the Philippines, historically known as the site of the Battle of Zapote River during the Philippine Revolution and the Philippine–American War.
• E. San Carlos River
  The San Carlos River is a tributary waterway in Arizona that flows through the San Carlos Apache Indian Reservation before joining the Gila River.
• 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: Usumacinta–Grijalva river system
Triple: [Grijalva River, partOf, Usumacinta–Grijalva river system]

The Usumacinta–Grijalva river system is a major interconnected river basin in southeastern Mexico and parts of Guatemala, known for its high discharge, rich biodiversity, and importance to regional ecosystems and human settlements.

Target entity: Usumacinta–Grijalva river system
Target entity description: The Usumacinta–Grijalva river system is a major interconnected river basin in southeastern Mexico and parts of Guatemala, known for its high discharge, rich biodiversity, and importance to regional ecosystems and human settlements.

• A. Río Fuerte–Mayo–Yaqui system
  The Río Fuerte–Mayo–Yaqui system is a network of major rivers in northwestern Mexico that drains the Sierra Madre Occidental and supports extensive irrigation and agriculture before emptying into the Gulf of California.
• B. Grijalva River
  The Grijalva River is a major river in southeastern Mexico that flows through the states of Chiapas and Tabasco, supporting hydroelectric power generation and agriculture before emptying into the Gulf of Mexico.
• C. Río Yaqui
  Río Yaqui is one of the major rivers in northwestern Mexico, flowing through the state of Sonora and supporting extensive agricultural regions before reaching the sea.
• D. Zapote River
  The Zapote River is a waterway in the southern part of Metro Manila and Cavite in the Philippines, historically known as the site of the Battle of Zapote River during the Philippine Revolution and the Philippine–American War.
• E. San Carlos River
  The San Carlos River is a tributary waterway in Arizona that flows through the San Carlos Apache Indian Reservation before joining the Gila River.
• F. None of above. chosen