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: Calvert River | Statement: [Gulf Country river network, hasMajorRiver, Calvert River]

Target entity: Calvert River
Context triple: [Gulf Country river network, hasMajorRiver, Calvert River]

• A. Choptank River
  The Choptank River is a major tributary on the Eastern Shore of Maryland that flows through rural and tidal landscapes before emptying into the Chesapeake Bay.
• B. Chester River
  The Chester River is a tidal tributary of the Chesapeake Bay in Maryland, known for its scenic waterfront, boating, and historic Eastern Shore communities.
• C. Pocomoke River
  The Pocomoke River is a major blackwater river on the Delmarva Peninsula that flows through Maryland and Virginia before emptying into the Chesapeake Bay.
• D. Severn River
  The Severn River is a major river in northern Ontario, Canada, that flows into Hudson Bay and has historically served as an important route for Indigenous peoples and the fur trade.
• E. Severn River
  The Severn River is a waterway in New South Wales, Australia, known for flowing through rural landscapes and contributing to the Murray–Darling Basin river system.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Calvert River
Target entity description: The Calvert River is a remote river in Australia's Northern Territory that flows through the Gulf Country to the Gulf of Carpentaria, supporting important wetlands and pastoral lands.

• A. Choptank River
  The Choptank River is a major tributary on the Eastern Shore of Maryland that flows through rural and tidal landscapes before emptying into the Chesapeake Bay.
• B. Chester River
  The Chester River is a tidal tributary of the Chesapeake Bay in Maryland, known for its scenic waterfront, boating, and historic Eastern Shore communities.
• C. Pocomoke River
  The Pocomoke River is a major blackwater river on the Delmarva Peninsula that flows through Maryland and Virginia before emptying into the Chesapeake Bay.
• D. Severn River
  The Severn River is a major river in northern Ontario, Canada, that flows into Hudson Bay and has historically served as an important route for Indigenous peoples and the fur trade.
• E. Severn River
  The Severn River is a waterway in New South Wales, Australia, known for flowing through rural landscapes and contributing to the Murray–Darling Basin river system.
• F. None of above. chosen