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: Montana gold rush | Statement: [Helena Historic District, significantEvent, Montana gold rush]

Target entity: Montana gold rush
Context triple: [Helena Historic District, significantEvent, Montana gold rush]

• A. Montana gold rush chosen
  The Montana gold rush was a mid-19th-century mining boom in what is now Montana that drew thousands of prospectors, rapidly spurred settlement, and transformed the region’s economy and towns.
• B. Black Hills Gold Rush
  The Black Hills Gold Rush was a late-19th-century gold boom in the Black Hills of present-day South Dakota and Wyoming that drew thousands of prospectors onto sacred Lakota lands, intensifying conflicts between the U.S. government and Native American tribes.
• C. Alaskan gold rush
  The Alaskan gold rush was a late-19th- and early-20th-century stampede of prospectors to Alaska and the Yukon in search of gold, dramatically reshaping the region’s economy, demographics, and frontier culture.
• D. Nevada gold rush
  The Nevada gold rush was a late-19th- and early-20th-century mining boom in Nevada that spurred rapid settlement, economic growth, and the rise of numerous boomtowns across the state.
• E. Comstock Lode silver rush
  The Comstock Lode silver rush was a mid-19th-century mining boom in Nevada that became one of the first major U.S. silver discoveries, spurring rapid settlement, wealth, and technological innovation in the American West.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.