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: Klondike Gold Rush era | Statement: [Yukon–Charley Rivers National Preserve, historicalPeriodRepresented, Klondike Gold Rush era]

Target entity: Klondike Gold Rush era
Context triple: [Yukon–Charley Rivers National Preserve, historicalPeriodRepresented, Klondike Gold Rush era]

• A. Klondike Gold Rush (1897–1898) chosen
  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.
• B. 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.
• 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. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.