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: Washington Territory | Statement: [Thomas Mercer, regionOfActivity, Washington Territory]

Target entity: Washington Territory
Context triple: [Thomas Mercer, regionOfActivity, Washington Territory]

• A. Washington Territory chosen
  Washington Territory was a 19th-century U.S. territorial jurisdiction in the Pacific Northwest that encompassed present-day Washington and parts of surrounding states before achieving statehood in 1889.
• B. Idaho Territory
  Idaho Territory was a historical U.S. territory (1863–1890) in the Pacific Northwest and Mountain West that preceded the state of Idaho.
• C. Wyoming Territory
  Wyoming Territory was an organized incorporated territory of the United States in the late 19th century that preceded the state of Wyoming and encompassed parts of the northern Great Plains and Rocky Mountains.
• D. Nebraska Territory
  Nebraska Territory was a mid-19th-century U.S. organized incorporated territory that once encompassed much of the northern Great Plains before being gradually reduced to form the state of Nebraska and parts of several other states.
• E. Oregon Country
  Oregon Country was a vast, historically contested region of the Pacific Northwest in North America, encompassing present-day Oregon, Washington, Idaho, and parts of British Columbia and Wyoming, that was jointly occupied by the United States and Britain in the early 19th century.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.