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: Son River system | Statement: [North Koel River, belongsTo, Son River system]

Target entity: Son River system
Context triple: [North Koel River, belongsTo, Son River system]

• A. Son River basin
  The Son River basin is a major river drainage area in central and eastern India, encompassing parts of Madhya Pradesh, Chhattisgarh, Uttar Pradesh, Jharkhand, and Bihar, and serving as an important tributary system of the Ganges.
• B. Son River chosen
  The Son River is a major river in central and eastern India that flows through states like Madhya Pradesh, Uttar Pradesh, and Bihar before joining the Ganges.
• C. Elde river system
  The Elde river system is a network of rivers and lakes in northeastern Germany that drains much of the Mecklenburg Lake District before flowing into the Elbe.
• D. Ondava River system
  The Ondava River system is a network of rivers and streams in eastern Slovakia that drains part of the Carpathian region and ultimately contributes to the Bodrog and Tisza river basins.
• E. Obed–Emory river system
  The Obed–Emory river system is a connected network of rivers and streams in Tennessee known for its rugged gorges, whitewater recreation, and ecological significance within the Cumberland Plateau.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.