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: Southern Annular Mode index | Statement: [Southern Annular Mode variability, measuredBy, Southern Annular Mode index]

Target entity: Southern Annular Mode index
Context triple: [Southern Annular Mode variability, measuredBy, Southern Annular Mode index]

• A. Southern Annular Mode variability
  Southern Annular Mode variability refers to fluctuations in the dominant pattern of atmospheric pressure and westerly wind strength encircling Antarctica, which strongly influence Southern Hemisphere climate and ocean circulation.
• B. Southern Oscillation Index
  The Southern Oscillation Index is a standardized atmospheric pressure-based metric used to monitor and quantify the strength and phase of the El Niño–Southern Oscillation climate pattern.
• C. Oceanic Niño Index
  The Oceanic Niño Index is a standardized measure of sea surface temperature anomalies in the central equatorial Pacific used to monitor and classify El Niño and La Niña events.
• D. North Atlantic Oscillation
  The North Atlantic Oscillation is a large-scale atmospheric pressure pattern over the North Atlantic that strongly influences winter weather, storm tracks, and climate variability in Europe, North America, and the surrounding oceans.
• E. Southern Oscillation
  The Southern Oscillation is a large-scale atmospheric pressure pattern across the tropical Pacific that drives the El Niño–Southern Oscillation climate phenomenon and influences global weather and rainfall.
• 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: Southern Annular Mode index
Triple: [Southern Annular Mode variability, measuredBy, Southern Annular Mode index]

The Southern Annular Mode index is a climate metric that quantifies the strength and position of the westerly wind belt encircling Antarctica, reflecting large-scale atmospheric circulation variability in the Southern Hemisphere.

Target entity: Southern Annular Mode index
Target entity description: The Southern Annular Mode index is a climate metric that quantifies the strength and position of the westerly wind belt encircling Antarctica, reflecting large-scale atmospheric circulation variability in the Southern Hemisphere.

• A. Southern Annular Mode variability chosen
  Southern Annular Mode variability refers to fluctuations in the dominant pattern of atmospheric pressure and westerly wind strength encircling Antarctica, which strongly influence Southern Hemisphere climate and ocean circulation.
• B. Southern Oscillation Index
  The Southern Oscillation Index is a standardized atmospheric pressure-based metric used to monitor and quantify the strength and phase of the El Niño–Southern Oscillation climate pattern.
• C. Oceanic Niño Index
  The Oceanic Niño Index is a standardized measure of sea surface temperature anomalies in the central equatorial Pacific used to monitor and classify El Niño and La Niña events.
• D. North Atlantic Oscillation
  The North Atlantic Oscillation is a large-scale atmospheric pressure pattern over the North Atlantic that strongly influences winter weather, storm tracks, and climate variability in Europe, North America, and the surrounding oceans.
• E. Southern Oscillation
  The Southern Oscillation is a large-scale atmospheric pressure pattern across the tropical Pacific that drives the El Niño–Southern Oscillation climate phenomenon and influences global weather and rainfall.
• F. None of above.