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: Delta of the Sacramento–San Joaquin River | Statement: [Great Valley of California, contains, Delta of the Sacramento–San Joaquin River]

Target entity: Delta of the Sacramento–San Joaquin River
Context triple: [Great Valley of California, contains, Delta of the Sacramento–San Joaquin River]

• A. Sacramento River and San Joaquin River
  The Sacramento River and San Joaquin River are the two largest rivers in California’s Central Valley, whose combined waters drain much of the state’s interior before flowing into the San Francisco Bay.
• B. Sacramento–San Joaquin River Delta chosen
  The Sacramento–San Joaquin River Delta is a vast inland estuarine network of rivers, channels, and wetlands in Northern California that forms the state’s largest freshwater tidal ecosystem and a critical hub for its water supply and agriculture.
• C. San Joaquin River navigation channel
  The San Joaquin River navigation channel is a major inland waterway in California that supports commercial and recreational vessel traffic between the Sacramento–San Joaquin Delta and the San Francisco Bay.
• D. San Joaquin River
  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.
• E. Middle Fork San Joaquin River
  The Middle Fork San Joaquin River is a major Sierra Nevada waterway in California that flows through the Ansel Adams Wilderness and Devils Postpile National Monument, featuring notable cascades such as Rainbow Falls.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.