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: Lewis and Clark Expedition | Statement: [Louisiana Purchase, followedBy, Lewis and Clark Expedition]

Target entity: Lewis and Clark Expedition
Context triple: [Louisiana Purchase, followedBy, Lewis and Clark Expedition]

• A. Granma expedition
  The Granma expedition was the 1956 seaborne journey in which Fidel Castro and his followers sailed from Mexico to Cuba to launch the guerrilla war that ignited the Cuban Revolution.
• B. Mormon Trail
  The Mormon Trail was a 19th-century overland route used by Latter-day Saint pioneers migrating west from the Midwest to the Salt Lake Valley in present-day Utah.
• C. Donner Party
  The Donner Party was a group of American pioneers who became infamous for being trapped by heavy snow in the Sierra Nevada during the winter of 1846–1847, leading to extreme hardship and incidents of cannibalism.
• D. Oregon Trail
  The Oregon Trail was a historic 19th-century overland route that pioneers used to migrate by wagon from the Missouri River to the western United States, especially Oregon.
• E. 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.
• 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: Lewis and Clark Expedition
Triple: [Louisiana Purchase, followedBy, Lewis and Clark Expedition]

The Lewis and Clark Expedition was an early 19th-century American exploratory journey that mapped and studied the newly acquired western territories, establishing routes and relations that greatly expanded U.S. geographic and scientific knowledge.

Target entity: Lewis and Clark Expedition
Target entity description: The Lewis and Clark Expedition was an early 19th-century American exploratory journey that mapped and studied the newly acquired western territories, establishing routes and relations that greatly expanded U.S. geographic and scientific knowledge.

• A. Granma expedition
  The Granma expedition was the 1956 seaborne journey in which Fidel Castro and his followers sailed from Mexico to Cuba to launch the guerrilla war that ignited the Cuban Revolution.
• B. Mormon Trail
  The Mormon Trail was a 19th-century overland route used by Latter-day Saint pioneers migrating west from the Midwest to the Salt Lake Valley in present-day Utah.
• C. Donner Party
  The Donner Party was a group of American pioneers who became infamous for being trapped by heavy snow in the Sierra Nevada during the winter of 1846–1847, leading to extreme hardship and incidents of cannibalism.
• D. Oregon Trail
  The Oregon Trail was a historic 19th-century overland route that pioneers used to migrate by wagon from the Missouri River to the western United States, especially Oregon.
• E. 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.
• F. None of above. chosen