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: David R. Francis | Statement: [Louisiana Purchase Exposition, presidentOfExpositionCompany, David R. Francis]

Target entity: David R. Francis
Context triple: [Louisiana Purchase Exposition, presidentOfExpositionCompany, David R. Francis]

• A. Barrie M. Osborne
  Barrie M. Osborne is an American film producer best known for his work on large-scale, critically acclaimed epics such as The Lord of the Rings trilogy.
• B. Stephen F. Martin
  Stephen F. Martin is an American organic chemist renowned for his influential research in synthetic methodology and complex molecule synthesis.
• C. David G. Bradley
  David G. Bradley is an American businessman and publisher best known as the owner and longtime chairman of Atlantic Media, the parent company of The Atlantic.
• D. David S. Field
  David S. Field is a musician best known as a member of the punk rock band The Longshot, a side project of Green Day’s Billie Joe Armstrong.
• E. Andrew D. Martin
  Andrew D. Martin is an American political scientist and academic administrator who serves as the chancellor of Washington University in St. Louis.
• 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: David R. Francis
Triple: [Louisiana Purchase Exposition, presidentOfExpositionCompany, David R. Francis]

David R. Francis was an American politician and diplomat who served as mayor of St. Louis, governor of Missouri, and U.S. ambassador to Russia in the late 19th and early 20th centuries.

Target entity: David R. Francis
Target entity description: David R. Francis was an American politician and diplomat who served as mayor of St. Louis, governor of Missouri, and U.S. ambassador to Russia in the late 19th and early 20th centuries.

• A. Barrie M. Osborne
  Barrie M. Osborne is an American film producer best known for his work on large-scale, critically acclaimed epics such as The Lord of the Rings trilogy.
• B. Stephen F. Martin
  Stephen F. Martin is an American organic chemist renowned for his influential research in synthetic methodology and complex molecule synthesis.
• C. David G. Bradley
  David G. Bradley is an American businessman and publisher best known as the owner and longtime chairman of Atlantic Media, the parent company of The Atlantic.
• D. David S. Field
  David S. Field is a musician best known as a member of the punk rock band The Longshot, a side project of Green Day’s Billie Joe Armstrong.
• E. Andrew D. Martin
  Andrew D. Martin is an American political scientist and academic administrator who serves as the chancellor of Washington University in St. Louis.
• F. None of above. chosen

Target predicate: presidentOfExpositionCompany
Context triple: [Louisiana Purchase Exposition, presidentOfExpositionCompany, David R. Francis]

• A. teamPresidentOf
  Indicates that one entity serves as the president or top executive leader of a particular team.
• B. inauguratedBy
  Indicates that an official event, institution, or position was formally opened, initiated, or brought into operation by a specific person or authority.
• C. inauguralHolder
  Indicates that the subject is the first person or entity to hold a particular position, title, office, or role.
• D. officeHolderOf
  Indicates that a person holds or has held an official position or role within a specified organization, institution, or office.
• E. hasChiefExecutiveRole chosen
  Indicates that an entity holds the highest executive leadership position and overall managerial authority within an organization.
• F. None of above.