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: Senator Samuel C. Pomeroy | Statement: [Yellowstone National Park Protection Act, sponsor, Senator Samuel C. Pomeroy]

Target entity: Senator Samuel C. Pomeroy
Context triple: [Yellowstone National Park Protection Act, sponsor, Senator Samuel C. Pomeroy]

• A. J. Millard Tawes
  J. Millard Tawes was a mid-20th-century American politician who served as governor of Maryland and was known for his long tenure in state public service.
• B. Samuel S. Sumner
  Samuel S. Sumner was a United States Army officer and general who served prominently in late 19th-century conflicts, including the Spanish–American War.
• C. Senator Joseph Paine
  Senator Joseph Paine is a fictional, influential U.S. senator and key antagonist in the classic 1939 film "Mr. Smith Goes to Washington."
• D. Samuel E. Chamberlain
  Samuel E. Chamberlain was a 19th-century American soldier, adventurer, and memoirist best known for his vivid autobiographical account of life as a soldier and drifter in the Mexican–American War.
• E. William P. Van Ness
  William P. Van Ness was an American lawyer, judge, and close ally of Aaron Burr who notably served as Burr’s second in the famous 1804 duel with Alexander Hamilton.
• 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: Senator Samuel C. Pomeroy
Triple: [Yellowstone National Park Protection Act, sponsor, Senator Samuel C. Pomeroy]

Senator Samuel C. Pomeroy was a 19th-century U.S. senator from Kansas known for his advocacy of conservation and early support for the creation of Yellowstone National Park.

Target entity: Senator Samuel C. Pomeroy
Target entity description: Senator Samuel C. Pomeroy was a 19th-century U.S. senator from Kansas known for his advocacy of conservation and early support for the creation of Yellowstone National Park.

• A. J. Millard Tawes
  J. Millard Tawes was a mid-20th-century American politician who served as governor of Maryland and was known for his long tenure in state public service.
• B. Samuel S. Sumner
  Samuel S. Sumner was a United States Army officer and general who served prominently in late 19th-century conflicts, including the Spanish–American War.
• C. Senator Joseph Paine
  Senator Joseph Paine is a fictional, influential U.S. senator and key antagonist in the classic 1939 film "Mr. Smith Goes to Washington."
• D. Samuel E. Chamberlain
  Samuel E. Chamberlain was a 19th-century American soldier, adventurer, and memoirist best known for his vivid autobiographical account of life as a soldier and drifter in the Mexican–American War.
• E. William P. Van Ness
  William P. Van Ness was an American lawyer, judge, and close ally of Aaron Burr who notably served as Burr’s second in the famous 1804 duel with Alexander Hamilton.
• F. None of above. chosen