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: East Branch Pemigewasset River headwaters | Statement: [Pemigewasset Wilderness, contains, East Branch Pemigewasset River headwaters]

Target entity: East Branch Pemigewasset River headwaters
Context triple: [Pemigewasset Wilderness, contains, East Branch Pemigewasset River headwaters]

• A. East Branch Westfield River
  The East Branch Westfield River is a major tributary stream in western Massachusetts that contributes to the flow and watershed of the Westfield River system.
• B. West Branch Westfield River
  The West Branch Westfield River is a major tributary of the Westfield River in western Massachusetts, known for its scenic, fast-flowing waters popular with anglers and whitewater paddlers.
• C. Contoocook River
  The Contoocook River is a scenic river in southern New Hampshire known for its northward flow and popular recreational activities such as fishing, paddling, and whitewater boating.
• D. Little Androscoggin River
  The Little Androscoggin River is a smaller river in western Maine that drains several lakes and communities before joining the larger Androscoggin River.
• E. Ossipee River
  The Ossipee River is a New England waterway flowing through eastern New Hampshire and southwestern Maine, known for draining Ossipee Lake and contributing to the Saco River watershed.
• 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: East Branch Pemigewasset River headwaters
Triple: [Pemigewasset Wilderness, contains, East Branch Pemigewasset River headwaters]

The East Branch Pemigewasset River headwaters are the remote, high-elevation source streams of the East Branch Pemigewasset River, located deep within New Hampshire’s Pemigewasset Wilderness in the White Mountains.

Target entity: East Branch Pemigewasset River headwaters
Target entity description: The East Branch Pemigewasset River headwaters are the remote, high-elevation source streams of the East Branch Pemigewasset River, located deep within New Hampshire’s Pemigewasset Wilderness in the White Mountains.

• A. East Branch Westfield River
  The East Branch Westfield River is a major tributary stream in western Massachusetts that contributes to the flow and watershed of the Westfield River system.
• B. West Branch Westfield River
  The West Branch Westfield River is a major tributary of the Westfield River in western Massachusetts, known for its scenic, fast-flowing waters popular with anglers and whitewater paddlers.
• C. Contoocook River
  The Contoocook River is a scenic river in southern New Hampshire known for its northward flow and popular recreational activities such as fishing, paddling, and whitewater boating.
• D. Little Androscoggin River
  The Little Androscoggin River is a smaller river in western Maine that drains several lakes and communities before joining the larger Androscoggin River.
• E. Ossipee River
  The Ossipee River is a New England waterway flowing through eastern New Hampshire and southwestern Maine, known for draining Ossipee Lake and contributing to the Saco River watershed.
• F. None of above. chosen