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: Meriwether Lewis Clark Jr. | Statement: [Kentucky Derby, founder, Meriwether Lewis Clark Jr.]

Target entity: Meriwether Lewis Clark Jr.
Context triple: [Kentucky Derby, founder, Meriwether Lewis Clark Jr.]

• A. Meriwether Lewis
  Meriwether Lewis was an American explorer, soldier, and politician best known for co-leading the Lewis and Clark Expedition that charted the newly acquired western territories of the United States.
• B. William Clark
  William Clark was an American explorer, soldier, and territorial governor best known as the co-leader of the Lewis and Clark Expedition that explored the Louisiana Purchase.
• C. Zebulon Pike
  Zebulon Pike was an early 19th-century American explorer and U.S. Army officer best known for his expeditions into the American West, including the discovery of the peak in Colorado that now bears his name, Pike's Peak.
• D. William S. Clark
  William S. Clark was an American educator and agricultural scientist best known in Japan for inspiring students with the motto "Boys, be ambitious" during his tenure at Sapporo Agricultural College in the 19th century.
• E. William A. Clark
  William A. Clark was a wealthy 19th-century American copper magnate and U.S. senator from Montana, often cited as an archetype of the Gilded Age industrialist and political power broker.
• 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: Meriwether Lewis Clark Jr.
Triple: [Kentucky Derby, founder, Meriwether Lewis Clark Jr.]

Meriwether Lewis Clark Jr. was an American horse racing entrepreneur best known for establishing Churchill Downs and organizing the first Kentucky Derby in Louisville, Kentucky.

Target entity: Meriwether Lewis Clark Jr.
Target entity description: Meriwether Lewis Clark Jr. was an American horse racing entrepreneur best known for establishing Churchill Downs and organizing the first Kentucky Derby in Louisville, Kentucky.

• A. Meriwether Lewis
  Meriwether Lewis was an American explorer, soldier, and politician best known for co-leading the Lewis and Clark Expedition that charted the newly acquired western territories of the United States.
• B. William Clark
  William Clark was an American explorer, soldier, and territorial governor best known as the co-leader of the Lewis and Clark Expedition that explored the Louisiana Purchase.
• C. Zebulon Pike
  Zebulon Pike was an early 19th-century American explorer and U.S. Army officer best known for his expeditions into the American West, including the discovery of the peak in Colorado that now bears his name, Pike's Peak.
• D. William S. Clark
  William S. Clark was an American educator and agricultural scientist best known in Japan for inspiring students with the motto "Boys, be ambitious" during his tenure at Sapporo Agricultural College in the 19th century.
• E. William A. Clark
  William A. Clark was a wealthy 19th-century American copper magnate and U.S. senator from Montana, often cited as an archetype of the Gilded Age industrialist and political power broker.
• F. None of above. chosen