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: [Carson Trail, historicalPeriod, California Gold Rush era]

Target entity: California Gold Rush era
Context triple: [Carson Trail, historicalPeriod, 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. 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. Klondike Gold Rush (1897–1898)
  The Klondike Gold Rush (1897–1898) was a massive influx of prospectors to Canada's Yukon region after gold was discovered there, dramatically transforming the economy, infrastructure, and settlement of northwestern North America.
• D. Fraser Canyon Gold Rush
  The Fraser Canyon Gold Rush was an 1858 gold rush in British Columbia that drew thousands of prospectors, many from California, and marked the beginning of large-scale European settlement in the region.
• E. Georgia Gold Rush
  The Georgia Gold Rush was a major early 19th-century American gold rush centered in northern Georgia that triggered rapid settlement, mining booms, and contributed to the displacement of Native American populations, including the Cherokee.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.