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: Martin et al. | Statement: [Andromeda XII, discoveredBy, Martin et al.]

Target entity: Martin et al.
Context triple: [Andromeda XII, discoveredBy, Martin et al.]

• A. J. W. Cumming et al.
  J. W. Cumming et al. were the plaintiffs challenging a Georgia county school board’s racially discriminatory education policies in the 1899 U.S. Supreme Court case Cumming v. Richmond County Board of Education.
• B. Kivett & Myers
  Kivett & Myers was an American architectural firm best known for designing major sports venues, including Arrowhead Stadium in Kansas City.
• C. Armandroff et al.
  Armandroff et al. refers to the team of astronomers led by T. E. Armandroff who are known for discovering the dwarf spheroidal galaxy Andromeda V.
• D. Zantzinger, Borie and Medary
  Zantzinger, Borie and Medary was a prominent early 20th-century American architectural firm known for its grand Beaux-Arts and classical revival designs.
• E. Daniel Donnelly et al.
  Daniel Donnelly et al. refers to the group of respondents, led by Daniel Donnelly, who were parties challenging a municipal holiday display in the U.S. Supreme Court case Lynch v. Donnelly.
• 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: Martin et al.
Triple: [Andromeda XII, discoveredBy, Martin et al.]

Martin et al. is the research team of astronomers credited with identifying and reporting the dwarf galaxy Andromeda XII.

Target entity: Martin et al.
Target entity description: Martin et al. is the research team of astronomers credited with identifying and reporting the dwarf galaxy Andromeda XII.

• A. J. W. Cumming et al.
  J. W. Cumming et al. were the plaintiffs challenging a Georgia county school board’s racially discriminatory education policies in the 1899 U.S. Supreme Court case Cumming v. Richmond County Board of Education.
• B. Kivett & Myers
  Kivett & Myers was an American architectural firm best known for designing major sports venues, including Arrowhead Stadium in Kansas City.
• C. Armandroff et al.
  Armandroff et al. refers to the team of astronomers led by T. E. Armandroff who are known for discovering the dwarf spheroidal galaxy Andromeda V.
• D. Zantzinger, Borie and Medary
  Zantzinger, Borie and Medary was a prominent early 20th-century American architectural firm known for its grand Beaux-Arts and classical revival designs.
• E. Daniel Donnelly et al.
  Daniel Donnelly et al. refers to the group of respondents, led by Daniel Donnelly, who were parties challenging a municipal holiday display in the U.S. Supreme Court case Lynch v. Donnelly.
• F. None of above. chosen