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: California Gold Rush | Statement: [Bancroft Library, collectionFocus, California Gold Rush]

Target entity: California Gold Rush
Context triple: [Bancroft Library, collectionFocus, California Gold Rush]

• A. California Gold Rush chosen
  The California Gold Rush was a mid-19th-century mass migration and mining boom that rapidly transformed California’s population, economy, and statehood after gold was discovered in 1848.
• B. Colorado Gold Rush
  The Colorado Gold Rush was a mid-19th-century mining boom that drew tens of thousands of prospectors to the Rocky Mountains, spurring rapid settlement and economic development in what is now the state of Colorado.
• C. 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.
• D. Montana gold rush
  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.
• E. Cripple Creek gold rush
  The Cripple Creek gold rush was a late 19th-century mining boom in Colorado that transformed the Cripple Creek area into one of the most productive gold-mining districts in the United States.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.