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: Cordilleran Ice Sheet | Statement: [Wisconsin glaciation, lastMajorAdvanceOf, Cordilleran Ice Sheet]

Target entity: Cordilleran Ice Sheet
Context triple: [Wisconsin glaciation, lastMajorAdvanceOf, Cordilleran Ice Sheet]

• A. Laurentide Ice Sheet in North America
  The Laurentide Ice Sheet in North America was a massive continental glacier that covered much of Canada and parts of the northern United States during the last Ice Age, profoundly shaping the region’s landscapes and climate.
• B. Fennoscandian Ice Sheet
  The Fennoscandian Ice Sheet was a massive Pleistocene ice sheet that repeatedly covered much of northern Europe, including Scandinavia, Finland, and parts of northern Germany and western Russia.
• C. Greenland Ice Sheet (North American sector)
  The Greenland Ice Sheet (North American sector) is the vast portion of Greenland’s continental ice mass that extends toward and influences the climate, sea level, and glacial history of the North American region.
• D. Patagonian Ice Fields
  The Patagonian Ice Fields are vast glacial expanses in southern South America that form the largest temperate ice sheets in the Southern Hemisphere outside Antarctica.
• E. Northern Patagonian Ice Field
  The Northern Patagonian Ice Field is a vast glacial expanse in southern Chile that forms one of the largest mid-latitude ice masses in the world and feeds numerous outlet glaciers and fjords.
• 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: Cordilleran Ice Sheet
Triple: [Wisconsin glaciation, lastMajorAdvanceOf, 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.

Target entity: Cordilleran Ice Sheet
Target entity description: 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.

• A. Laurentide Ice Sheet in North America
  The Laurentide Ice Sheet in North America was a massive continental glacier that covered much of Canada and parts of the northern United States during the last Ice Age, profoundly shaping the region’s landscapes and climate.
• B. Fennoscandian Ice Sheet
  The Fennoscandian Ice Sheet was a massive Pleistocene ice sheet that repeatedly covered much of northern Europe, including Scandinavia, Finland, and parts of northern Germany and western Russia.
• C. Greenland Ice Sheet (North American sector)
  The Greenland Ice Sheet (North American sector) is the vast portion of Greenland’s continental ice mass that extends toward and influences the climate, sea level, and glacial history of the North American region.
• D. Patagonian Ice Fields
  The Patagonian Ice Fields are vast glacial expanses in southern South America that form the largest temperate ice sheets in the Southern Hemisphere outside Antarctica.
• E. Northern Patagonian Ice Field
  The Northern Patagonian Ice Field is a vast glacial expanse in southern Chile that forms one of the largest mid-latitude ice masses in the world and feeds numerous outlet glaciers and fjords.
• F. None of above. chosen