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: Treaty of Cession (1867) | Statement: [Seward's Folly, relatedTo, Treaty of Cession (1867)]

Target entity: Treaty of Cession (1867)
Context triple: [Seward's Folly, relatedTo, Treaty of Cession (1867)]

• A. Treaty of 1873
  The Treaty of 1873 was an agreement in which the Pawnee Nation ceded most of its remaining lands in Nebraska to the United States and relocated to Indian Territory (present-day Oklahoma).
• B. Treaty of 1865 with the United States
  The Treaty of 1865 with the United States was an agreement that formalized peace and defined relations between the U.S. government and the Mojave people following mid-19th-century conflicts in the American Southwest.
• C. Treaty of 1865 with the United States
  The Treaty of 1865 with the United States was an agreement in which the Omaha tribe ceded additional lands and accepted new federal terms that further constrained their sovereignty and reshaped their reservation in Nebraska.
• D. Treaty of 1837 with the United States
  The Treaty of 1837 with the United States was an agreement in which the Ho-Chunk (Winnebago) Nation ceded large portions of their ancestral lands in the Upper Midwest to the U.S. government, contributing to their forced removal and displacement.
• E. Treaty of 1863
  The Treaty of 1863 was a controversial agreement that drastically reduced the Nez Perce homeland in the Pacific Northwest, paving the way for increased U.S. settlement and later conflict.
• 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: Treaty of Cession (1867)
Triple: [Seward's Folly, relatedTo, Treaty of Cession (1867)]

The Treaty of Cession (1867) was the agreement by which the Russian Empire sold Alaska to the United States, a purchase initially derided as “Seward’s Folly” but later recognized as strategically and economically significant.

Target entity: Treaty of Cession (1867)
Target entity description: The Treaty of Cession (1867) was the agreement by which the Russian Empire sold Alaska to the United States, a purchase initially derided as “Seward’s Folly” but later recognized as strategically and economically significant.

• A. Treaty of 1873
  The Treaty of 1873 was an agreement in which the Pawnee Nation ceded most of its remaining lands in Nebraska to the United States and relocated to Indian Territory (present-day Oklahoma).
• B. Treaty of 1865 with the United States
  The Treaty of 1865 with the United States was an agreement that formalized peace and defined relations between the U.S. government and the Mojave people following mid-19th-century conflicts in the American Southwest.
• C. Treaty of 1865 with the United States
  The Treaty of 1865 with the United States was an agreement in which the Omaha tribe ceded additional lands and accepted new federal terms that further constrained their sovereignty and reshaped their reservation in Nebraska.
• D. Treaty of 1837 with the United States
  The Treaty of 1837 with the United States was an agreement in which the Ho-Chunk (Winnebago) Nation ceded large portions of their ancestral lands in the Upper Midwest to the U.S. government, contributing to their forced removal and displacement.
• E. Treaty of 1863
  The Treaty of 1863 was a controversial agreement that drastically reduced the Nez Perce homeland in the Pacific Northwest, paving the way for increased U.S. settlement and later conflict.
• F. None of above. chosen