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: Doctor Who episode "The Crimson Horror" | Statement: [Rachael Stirling, appearedIn, Doctor Who episode "The Crimson Horror"]

Target entity: Doctor Who episode "The Crimson Horror"
Context triple: [Rachael Stirling, appearedIn, Doctor Who episode "The Crimson Horror"]

• A. Doctor Who episode "Nightmare in Silver"
  "Nightmare in Silver" is a 2013 Doctor Who episode written by Neil Gaiman that features the Eleventh Doctor facing an upgraded, more terrifying version of the Cybermen in a futuristic theme park.
• B. Doctor Who episode "The Unquiet Dead"
  "The Unquiet Dead" is a 2005 Doctor Who episode set in Victorian Cardiff where the Ninth Doctor and Rose encounter Charles Dickens and battle gaseous alien beings animating corpses.
• C. Doctor Who episode "Flesh and Stone"
  "Flesh and Stone" is a 2010 episode of the British science fiction series Doctor Who, featuring the Eleventh Doctor and Amy Pond as they confront the terrifying Weeping Angels in a crashed starship’s maze-like forest.
• D. Doctor Who episode "Rise of the Cybermen"
  "Rise of the Cybermen" is a 2006 Doctor Who episode in which the Tenth Doctor, Rose, and Mickey arrive in an alternate universe where a ruthless inventor creates the iconic Cybermen.
• E. Doctor Who episode "The Unicorn and the Wasp"
  "The Unicorn and the Wasp" is a 2008 Doctor Who episode set in 1920s England in which the Tenth Doctor and Donna Noble meet Agatha Christie and investigate a murder mystery with science-fiction twists.
• 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: Doctor Who episode "The Crimson Horror"
Triple: [Rachael Stirling, appearedIn, Doctor Who episode "The Crimson Horror"]

"The Crimson Horror" is a 2013 Doctor Who episode set in Victorian Yorkshire, featuring the Eleventh Doctor investigating a sinister factory and notable for co-starring Diana Rigg and her daughter Rachael Stirling.

Target entity: Doctor Who episode "The Crimson Horror"
Target entity description: "The Crimson Horror" is a 2013 Doctor Who episode set in Victorian Yorkshire, featuring the Eleventh Doctor investigating a sinister factory and notable for co-starring Diana Rigg and her daughter Rachael Stirling.

• A. Doctor Who episode "Nightmare in Silver"
  "Nightmare in Silver" is a 2013 Doctor Who episode written by Neil Gaiman that features the Eleventh Doctor facing an upgraded, more terrifying version of the Cybermen in a futuristic theme park.
• B. Doctor Who episode "The Unquiet Dead"
  "The Unquiet Dead" is a 2005 Doctor Who episode set in Victorian Cardiff where the Ninth Doctor and Rose encounter Charles Dickens and battle gaseous alien beings animating corpses.
• C. Doctor Who episode "Flesh and Stone"
  "Flesh and Stone" is a 2010 episode of the British science fiction series Doctor Who, featuring the Eleventh Doctor and Amy Pond as they confront the terrifying Weeping Angels in a crashed starship’s maze-like forest.
• D. Doctor Who episode "Rise of the Cybermen"
  "Rise of the Cybermen" is a 2006 Doctor Who episode in which the Tenth Doctor, Rose, and Mickey arrive in an alternate universe where a ruthless inventor creates the iconic Cybermen.
• E. Doctor Who episode "The Unicorn and the Wasp"
  "The Unicorn and the Wasp" is a 2008 Doctor Who episode set in 1920s England in which the Tenth Doctor and Donna Noble meet Agatha Christie and investigate a murder mystery with science-fiction twists.
• F. None of above. chosen