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: All Sky Monitor | Statement: [RXTE, instruments, All Sky Monitor]

Target entity: All Sky Monitor
Context triple: [RXTE, instruments, All Sky Monitor]

• A. Gaia observatory
  The Gaia observatory is a European Space Agency space telescope designed to create the most precise 3D map of the Milky Way by measuring the positions, distances, and motions of over a billion stars.
• B. Spacewatch
  Spacewatch is an astronomical survey program at the University of Arizona that uses telescopes on Kitt Peak to discover and study minor planets, comets, and other small bodies in the Solar System.
• C. Neil Gehrels Swift Observatory
  The Neil Gehrels Swift Observatory is a NASA space telescope dedicated primarily to detecting and studying gamma-ray bursts and other high-energy astrophysical phenomena.
• D. Solar X-ray Monitor
  The Solar X-ray Monitor is a scientific instrument aboard India’s Chandrayaan-2 lunar orbiter designed to observe and measure solar X-ray emissions for studying the Sun’s activity and its effects on the Moon.
• E. SOAR Telescope
  The SOAR Telescope is a 4.1-meter optical and near-infrared astronomical telescope located in Chile and used for a wide range of research observations of the southern sky.
• 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: All Sky Monitor
Triple: [RXTE, instruments, All Sky Monitor]

The All Sky Monitor was an X-ray instrument aboard NASA’s Rossi X-ray Timing Explorer that continuously surveyed nearly the entire sky to detect and monitor variable and transient X-ray sources.

Target entity: All Sky Monitor
Target entity description: The All Sky Monitor was an X-ray instrument aboard NASA’s Rossi X-ray Timing Explorer that continuously surveyed nearly the entire sky to detect and monitor variable and transient X-ray sources.

• A. Gaia observatory
  The Gaia observatory is a European Space Agency space telescope designed to create the most precise 3D map of the Milky Way by measuring the positions, distances, and motions of over a billion stars.
• B. Spacewatch
  Spacewatch is an astronomical survey program at the University of Arizona that uses telescopes on Kitt Peak to discover and study minor planets, comets, and other small bodies in the Solar System.
• C. Neil Gehrels Swift Observatory
  The Neil Gehrels Swift Observatory is a NASA space telescope dedicated primarily to detecting and studying gamma-ray bursts and other high-energy astrophysical phenomena.
• D. Solar X-ray Monitor
  The Solar X-ray Monitor is a scientific instrument aboard India’s Chandrayaan-2 lunar orbiter designed to observe and measure solar X-ray emissions for studying the Sun’s activity and its effects on the Moon.
• E. SOAR Telescope
  The SOAR Telescope is a 4.1-meter optical and near-infrared astronomical telescope located in Chile and used for a wide range of research observations of the southern sky.
• F. None of above. chosen