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: River Song | Statement: [The Time of Angels, featuresCharacter, River Song]

Target entity: River Song
Context triple: [The Time of Angels, featuresCharacter, River Song]

• A. Into the Unknown
  "Into the Unknown" is a powerful, Oscar-nominated anthem from Disney's Frozen II, performed by Idina Menzel, that explores Elsa’s call to adventure and inner conflict.
• B. Song of Seven
  "Song of Seven" is a 1980 progressive rock solo album by Jon Anderson, blending spiritual themes with lush, melodic arrangements.
• C. Cavatina
  Cavatina is a lyrical classical guitar piece by Stanley Myers, widely known as the haunting main theme from the film "The Deer Hunter."
• D. Cavatina
  Cavatina is the deeply expressive, lyrical slow movement from Beethoven’s String Quartet No. 13 in B-flat major, Op. 130, renowned for its emotional intensity and poignancy.
• E. You’ll Be Back
  "You’ll Be Back" is a comedic, British Invasion–style breakup song performed by King George III in the hit Broadway musical Hamilton, known for its witty lyrics and catchy melody.
• 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: River Song
Triple: [The Time of Angels, featuresCharacter, River Song]

River Song is a mysterious, time-traveling archaeologist and recurring companion of the Doctor in the British science fiction series Doctor Who.

Target entity: River Song
Target entity description: River Song is a mysterious, time-traveling archaeologist and recurring companion of the Doctor in the British science fiction series Doctor Who.

• A. Into the Unknown
  "Into the Unknown" is a powerful, Oscar-nominated anthem from Disney's Frozen II, performed by Idina Menzel, that explores Elsa’s call to adventure and inner conflict.
• B. Song of Seven
  "Song of Seven" is a 1980 progressive rock solo album by Jon Anderson, blending spiritual themes with lush, melodic arrangements.
• C. Cavatina
  Cavatina is a lyrical classical guitar piece by Stanley Myers, widely known as the haunting main theme from the film "The Deer Hunter."
• D. Cavatina
  Cavatina is the deeply expressive, lyrical slow movement from Beethoven’s String Quartet No. 13 in B-flat major, Op. 130, renowned for its emotional intensity and poignancy.
• E. You’ll Be Back
  "You’ll Be Back" is a comedic, British Invasion–style breakup song performed by King George III in the hit Broadway musical Hamilton, known for its witty lyrics and catchy melody.
• F. None of above. chosen