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: South Indian Ocean | Statement: [Subantarctic Front, extendsAcross, South Indian Ocean]

Target entity: South Indian Ocean
Context triple: [Subantarctic Front, extendsAcross, South Indian Ocean]

• A. Southwest Indian Ocean
  The Southwest Indian Ocean is a region of the Indian Ocean off the southeastern coast of Africa, known for its strong western boundary currents, complex eddies, and significant role in global ocean circulation and climate.
• B. Indian Ocean chosen
  The Indian Ocean is the world’s third-largest ocean, lying between Africa, Asia, Australia, and the Southern Ocean, and serving as a major route for global trade and maritime activity.
• C. Indian Ocean Central Water
  Indian Ocean Central Water is a mid-depth water mass in the Indian Ocean characterized by relatively uniform temperature and salinity, formed through subduction and mixing in subtropical regions.
• D. tropical Indian Ocean
  The tropical Indian Ocean is a warm, low-latitude oceanic region characterized by strong monsoonal influences, active convection, and a major role in global climate variability.
• E. Indian Ocean–Southern Ocean marine region
  The Indian Ocean–Southern Ocean marine region is a vast biogeographic area encompassing the transitional waters and ecosystems where the Indian and Southern Oceans meet, including features such as the Great Australian Bight.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.