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: San Joaquin River | Statement: [Sacramento–San Joaquin River Delta, formedByRiver, San Joaquin River]

Target entity: San Joaquin River
Context triple: [Sacramento–San Joaquin River Delta, formedByRiver, San Joaquin River]

• A. San Joaquin River chosen
  The San Joaquin River is a major river in central California that flows through the San Joaquin Valley and supports extensive agricultural, ecological, and water supply systems before joining the Sacramento–San Joaquin Delta.
• B. Sacramento River
  The Sacramento River is the longest river entirely within California, flowing through the northern part of the state and serving as a major source of water, transportation, and ecological habitat.
• C. Feather River
  The Feather River is a major tributary of the Sacramento River in Northern California, known for its extensive role in the state’s water supply, hydroelectric power generation, and flood control.
• D. Merced River
  The Merced River is a major Sierra Nevada waterway in California renowned for carving Yosemite Valley and providing iconic scenic, recreational, and ecological value within and beyond Yosemite National Park.
• E. Kings River
  Kings River is a major river in California’s Sierra Nevada that carves the deep gorge of Kings Canyon and gives its name to Kings Canyon National Park.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.