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 Jr. | Statement: [Martin Van Buren, child, Martin Van Buren Jr.]

Target entity: Martin Van Buren Jr.
Context triple: [Martin Van Buren, child, Martin Van Buren Jr.]

• 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. John Van Buren
  John Van Buren was an American lawyer, politician, and influential Democratic leader in New York, known as the son of President Martin Van Buren and a prominent figure in mid-19th-century politics.
• C. 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.
• D. Abraham Van Buren
  Abraham Van Buren was the eldest son of U.S. President Martin Van Buren, who served as his father's private secretary and acted as an informal White House host during his presidency.
• E. 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.
• 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 Jr.
Triple: [Martin Van Buren, child, Martin Van Buren Jr.]

Martin Van Buren Jr. was the son of U.S. President Martin Van Buren, who served as his father's private secretary and acted as an informal White House host during his administration.

Target entity: Martin Van Buren Jr.
Target entity description: Martin Van Buren Jr. was the son of U.S. President Martin Van Buren, who served as his father's private secretary and acted as an informal White House host during his administration.

• 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. John Van Buren
  John Van Buren was an American lawyer, politician, and influential Democratic leader in New York, known as the son of President Martin Van Buren and a prominent figure in mid-19th-century politics.
• C. 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.
• D. Abraham Van Buren chosen
  Abraham Van Buren was the eldest son of U.S. President Martin Van Buren, who served as his father's private secretary and acted as an informal White House host during his presidency.
• E. 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.
• F. None of above.