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: Coalsack Nebula (on its border) | Statement: [Southern Cross, contains, Coalsack Nebula (on its border)]

Target entity: Coalsack Nebula (on its border)
Context triple: [Southern Cross, contains, Coalsack Nebula (on its border)]

• A. Barnard's Loop
  Barnard's Loop is a large, faint emission nebula forming a sweeping arc across the constellation Orion, believed to be the remnant of ancient supernova activity.
• B. Pelican Nebula
  The Pelican Nebula is a bright emission nebula in the constellation Cygnus, notable for its bird-like shape and active star-forming regions.
• C. Horsehead Nebula
  The Horsehead Nebula is a dark molecular cloud in the constellation Orion, famous for its distinctive horse-head shape silhouetted against a bright emission nebula.
• D. Swan Nebula
  The Swan Nebula, also known as M17 or the Omega Nebula, is a bright star-forming emission nebula in the constellation Sagittarius, rich in gas, dust, and young massive stars.
• E. Carina Nebula
  The Carina Nebula is a vast, active star-forming region in the Milky Way known for its towering gas and dust pillars and dramatic young stellar clusters.
• 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: Coalsack Nebula (on its border)
Triple: [Southern Cross, contains, Coalsack Nebula (on its border)]

Coalsack Nebula (on its border) is a prominent dark nebula visible to the naked eye in the southern sky, appearing as a large, starless patch silhouetted against the Milky Way.

Target entity: Coalsack Nebula (on its border)
Target entity description: Coalsack Nebula (on its border) is a prominent dark nebula visible to the naked eye in the southern sky, appearing as a large, starless patch silhouetted against the Milky Way.

• A. Barnard's Loop
  Barnard's Loop is a large, faint emission nebula forming a sweeping arc across the constellation Orion, believed to be the remnant of ancient supernova activity.
• B. Pelican Nebula
  The Pelican Nebula is a bright emission nebula in the constellation Cygnus, notable for its bird-like shape and active star-forming regions.
• C. Horsehead Nebula
  The Horsehead Nebula is a dark molecular cloud in the constellation Orion, famous for its distinctive horse-head shape silhouetted against a bright emission nebula.
• D. Swan Nebula
  The Swan Nebula, also known as M17 or the Omega Nebula, is a bright star-forming emission nebula in the constellation Sagittarius, rich in gas, dust, and young massive stars.
• E. Carina Nebula
  The Carina Nebula is a vast, active star-forming region in the Milky Way known for its towering gas and dust pillars and dramatic young stellar clusters.
• F. None of above. chosen