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: North American coastal glaciers | Statement: [Llewellyn Glacier, isPartOf, North American coastal glaciers]

Target entity: North American coastal glaciers
Context triple: [Llewellyn Glacier, isPartOf, North American coastal glaciers]

• A. Coastal mountain glaciers of Alaska
  Coastal mountain glaciers of Alaska are a vast system of ice masses flowing from rugged coastal mountain ranges into fjords and the Gulf of Alaska, playing a major role in regional climate, sea level contributions, and Alaska’s dramatic glaciated landscapes.
• B. Trinity Peninsula coastal glaciers
  Trinity Peninsula coastal glaciers are a group of interconnected glaciers and ice piedmonts fringing the northern tip of the Antarctic Peninsula, draining its coastal ice into the surrounding seas.
• C. Northern Hemisphere ice sheets
  Northern Hemisphere ice sheets are vast continental glaciers that repeatedly expanded and retreated over North America and Eurasia, profoundly shaping global climate, sea levels, and landscapes during the Quaternary.
• D. Glaciers of Snohomish County, Washington
  The Glaciers of Snohomish County, Washington are a collection of mountain glaciers in the North Cascades that significantly influence the region’s hydrology, landscape, and alpine ecosystems.
• E. Cordilleran Ice Sheet
  The Cordilleran Ice Sheet was a massive Pleistocene ice sheet that covered much of western North America, including present-day British Columbia, Yukon, and parts of the northwestern United States.
• 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: North American coastal glaciers
Triple: [Llewellyn Glacier, isPartOf, North American coastal glaciers]

North American coastal glaciers are a chain of maritime-influenced ice masses along the continent’s ocean margins, characterized by heavy snowfall, dynamic flow, and strong sensitivity to climate change.

Target entity: North American coastal glaciers
Target entity description: North American coastal glaciers are a chain of maritime-influenced ice masses along the continent’s ocean margins, characterized by heavy snowfall, dynamic flow, and strong sensitivity to climate change.

• A. Coastal mountain glaciers of Alaska chosen
  Coastal mountain glaciers of Alaska are a vast system of ice masses flowing from rugged coastal mountain ranges into fjords and the Gulf of Alaska, playing a major role in regional climate, sea level contributions, and Alaska’s dramatic glaciated landscapes.
• B. Trinity Peninsula coastal glaciers
  Trinity Peninsula coastal glaciers are a group of interconnected glaciers and ice piedmonts fringing the northern tip of the Antarctic Peninsula, draining its coastal ice into the surrounding seas.
• C. Northern Hemisphere ice sheets
  Northern Hemisphere ice sheets are vast continental glaciers that repeatedly expanded and retreated over North America and Eurasia, profoundly shaping global climate, sea levels, and landscapes during the Quaternary.
• D. Glaciers of Snohomish County, Washington
  The Glaciers of Snohomish County, Washington are a collection of mountain glaciers in the North Cascades that significantly influence the region’s hydrology, landscape, and alpine ecosystems.
• E. Cordilleran Ice Sheet
  The Cordilleran Ice Sheet was a massive Pleistocene ice sheet that covered much of western North America, including present-day British Columbia, Yukon, and parts of the northwestern United States.
• F. None of above.