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: Guadiana River estuary | Statement: [Reserva Natural do Sapal de Castro Marim e Vila Real de Santo António, locatedOn, Guadiana River estuary]

Target entity: Guadiana River estuary
Context triple: [Reserva Natural do Sapal de Castro Marim e Vila Real de Santo António, locatedOn, Guadiana River estuary]

• A. Tagus River estuary
  The Tagus River estuary is a large tidal estuary in western Portugal where the Tagus River meets the Atlantic Ocean, forming a broad natural harbor by Lisbon and supporting rich ecosystems and major maritime activities.
• B. Ebro Delta
  The Ebro Delta is a large wetland and river delta in northeastern Spain known for its rich biodiversity, rice fields, and important bird habitats along the Mediterranean coast.
• C. Guadalquivir River basin
  The Guadalquivir River basin is a major hydrological and agricultural region in southern Spain, encompassing much of Andalusia and centered around the Guadalquivir River and its tributaries.
• D. Guadiana River chosen
  The Guadiana River is a major waterway of the Iberian Peninsula that flows through Spain and Portugal, forming part of their border before emptying into the Atlantic Ocean.
• E. La Ribera
  La Ribera is a historic neighborhood in Barcelona known for its medieval streets, vibrant cultural scene, and notable attractions such as the Picasso Museum.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.