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 era | Statement: [Sourdough Sam, associatedWithEra, California Gold Rush era]

Target entity: California Gold Rush era
Context triple: [Sourdough Sam, associatedWithEra, California Gold Rush era]

• 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. 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.
• C. 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.
• D. Pike’s Peak Gold Rush
  The Pike’s Peak Gold Rush was a mid-19th-century gold rush in the Colorado region that spurred rapid settlement and the founding of numerous mining camps and towns.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.