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: Mormon Trail migration | Statement: [Pioneer Day, followsEvent, Mormon Trail migration]

Target entity: Mormon Trail migration
Context triple: [Pioneer Day, followsEvent, Mormon Trail migration]

• A. Mormon Trail chosen
  The Mormon Trail was a 19th-century overland route used by Latter-day Saint pioneers migrating west from the Midwest to the Salt Lake Valley in present-day Utah.
• B. Mormon pioneers
  Mormon pioneers were 19th-century members of The Church of Jesus Christ of Latter-day Saints who migrated westward across the United States to settle in the Great Basin region and establish new communities.
• C. Southern Emigrant Trail
  The Southern Emigrant Trail was a major 19th-century overland route used by American migrants traveling to California through the desert Southwest, particularly during the Gold Rush era.
• D. Oregon Trail
  The Oregon Trail was a historic 19th-century overland route that pioneers used to migrate by wagon from the Missouri River to the western United States, especially Oregon.
• E. Northern Cheyenne Exodus
  The Northern Cheyenne Exodus was the 1878–1879 flight of the Northern Cheyenne people from forced relocation in Indian Territory back to their homeland in the northern Plains, marked by hardship, armed conflict, and significant loss of life.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.