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 van Buren | Statement: [Utrecht University, hasNotableAlumnus, Martin van Buren]

Target entity: Martin van Buren
Context triple: [Utrecht University, hasNotableAlumnus, Martin van Buren]

• A. Martin Van Buren
  Martin Van Buren was the eighth president of the United States, a key architect of the Democratic Party and close ally of Andrew Jackson, whose presidency was marked by the Panic of 1837 and the continuation of Jacksonian policies.
• B. Jim Polk
  Jim Polk is an American writer and former spouse of acclaimed Canadian author Margaret Atwood.
• C. DeWitt Clinton
  DeWitt Clinton was an influential early 19th-century American politician and governor of New York who championed major infrastructure projects and helped spur the state's economic growth.
• D. John Tyler
  John Tyler was the 10th president of the United States, known for succeeding William Henry Harrison after his death and for his firm stance on states’ rights.
• E. Daniel D. Tompkins
  Daniel D. Tompkins was an American statesman who served as the fourth governor of New York and the sixth vice president of the United States under James Monroe.
• 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 van Buren
Triple: [Utrecht University, hasNotableAlumnus, Martin van Buren]

Martin van Buren was the eighth president of the United States and a key architect of the Democratic Party in the early 19th century.

Target entity: Martin van Buren
Target entity description: Martin van Buren was the eighth president of the United States and a key architect of the Democratic Party in the early 19th century.

• A. Martin Van Buren chosen
  Martin Van Buren was the eighth president of the United States, a key architect of the Democratic Party and close ally of Andrew Jackson, whose presidency was marked by the Panic of 1837 and the continuation of Jacksonian policies.
• B. Jim Polk
  Jim Polk is an American writer and former spouse of acclaimed Canadian author Margaret Atwood.
• C. DeWitt Clinton
  DeWitt Clinton was an influential early 19th-century American politician and governor of New York who championed major infrastructure projects and helped spur the state's economic growth.
• D. John Tyler
  John Tyler was the 10th president of the United States, known for succeeding William Henry Harrison after his death and for his firm stance on states’ rights.
• E. Daniel D. Tompkins
  Daniel D. Tompkins was an American statesman who served as the fourth governor of New York and the sixth vice president of the United States under James Monroe.
• F. None of above.