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: 21 July 2019 Yuen Long attack | Statement: [2019–2020 Hong Kong protests, significantEvent, 21 July 2019 Yuen Long attack]

Target entity: 21 July 2019 Yuen Long attack
Context triple: [2019–2020 Hong Kong protests, significantEvent, 21 July 2019 Yuen Long attack]

• A. Hostomel Airport assault
  The Hostomel Airport assault was a key early Russian airborne operation aimed at seizing a strategic airfield near Kyiv to enable rapid reinforcement and facilitate the capture of Ukraine’s capital.
• B. 2015 Bardo National Museum attack
  The 2015 Bardo National Museum attack was a terrorist assault in Tunis, Tunisia, in which gunmen opened fire on tourists at the country’s leading museum, killing over 20 people and injuring many others.
• C. 2013 Westgate shopping mall attack
  The 2013 Westgate shopping mall attack was a four-day terrorist siege at an upscale mall in Nairobi, Kenya, that left at least 67 people dead and drew international attention to the threat posed by the Islamist militant group al-Shabaab.
• D. 2004 Krue Se Mosque incident
  The 2004 Krue Se Mosque incident was a deadly confrontation in Pattani, Thailand, in which Thai security forces stormed a historic mosque to end an armed standoff with insurgents, becoming a highly controversial flashpoint in the South Thailand insurgency.
• E. 2012 shooting of Malala Yousafzai
  The 2012 shooting of Malala Yousafzai was an assassination attempt by the Pakistani Taliban on the teenage education activist that drew global condemnation and turned her into an international symbol of the fight for girls’ education.
• 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: 21 July 2019 Yuen Long attack
Triple: [2019–2020 Hong Kong protests, significantEvent, 21 July 2019 Yuen Long attack]

The 21 July 2019 Yuen Long attack was a notorious incident in which white-clad mobs assaulted protesters and civilians in a Hong Kong train station, becoming a symbol of alleged police collusion and escalating violence during the anti-extradition protests.

Target entity: 21 July 2019 Yuen Long attack
Target entity description: The 21 July 2019 Yuen Long attack was a notorious incident in which white-clad mobs assaulted protesters and civilians in a Hong Kong train station, becoming a symbol of alleged police collusion and escalating violence during the anti-extradition protests.

• A. Hostomel Airport assault
  The Hostomel Airport assault was a key early Russian airborne operation aimed at seizing a strategic airfield near Kyiv to enable rapid reinforcement and facilitate the capture of Ukraine’s capital.
• B. 2015 Bardo National Museum attack
  The 2015 Bardo National Museum attack was a terrorist assault in Tunis, Tunisia, in which gunmen opened fire on tourists at the country’s leading museum, killing over 20 people and injuring many others.
• C. 2013 Westgate shopping mall attack
  The 2013 Westgate shopping mall attack was a four-day terrorist siege at an upscale mall in Nairobi, Kenya, that left at least 67 people dead and drew international attention to the threat posed by the Islamist militant group al-Shabaab.
• D. 2004 Krue Se Mosque incident
  The 2004 Krue Se Mosque incident was a deadly confrontation in Pattani, Thailand, in which Thai security forces stormed a historic mosque to end an armed standoff with insurgents, becoming a highly controversial flashpoint in the South Thailand insurgency.
• E. 2012 shooting of Malala Yousafzai
  The 2012 shooting of Malala Yousafzai was an assassination attempt by the Pakistani Taliban on the teenage education activist that drew global condemnation and turned her into an international symbol of the fight for girls’ education.
• F. None of above. chosen