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: Northern Song period | Statement: [Hundred Family Surnames, historicalContext, Northern Song period]

Target entity: Northern Song period
Context triple: [Hundred Family Surnames, historicalContext, Northern Song period]

• A. Song dynasty chosen
  The Song dynasty was a major Chinese imperial dynasty (960–1279) known for its economic prosperity, urbanization, technological innovation, and flourishing arts and culture.
• B. Sui–Tang period
  The Sui–Tang period was a formative era in Chinese history (late 6th to early 10th century) marked by imperial unification, major administrative reforms, and flourishing culture that laid the foundations for later dynasties.
• C. Five Dynasties and Ten Kingdoms period
  The Five Dynasties and Ten Kingdoms period was a time of political fragmentation and rapid dynastic change in China between the Tang and Song dynasties, marked by short-lived northern regimes and multiple concurrent southern kingdoms.
• D. Tang dynasty
  The Tang dynasty was a powerful and culturally flourishing imperial era of China (618–907 CE) renowned for its advances in art, literature, technology, and cosmopolitan trade along the Silk Road.
• E. Northern and Southern dynasties period
  The Northern and Southern dynasties period was an era of political fragmentation and cultural flourishing in China (roughly 4th–6th centuries CE), marked by rival northern and southern regimes before the country’s reunification under the Sui dynasty.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.