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: Late Postclassic period | Statement: [Coixtlahuaca, timePeriod, Late Postclassic period]

Target entity: Late Postclassic period
Context triple: [Coixtlahuaca, timePeriod, Late Postclassic period]

• A. Late Classic period
  The Late Classic period was a flourishing era of Mesoamerican civilization, roughly spanning 600–900 CE, marked by the peak of Maya city-states and vibrant artistic, architectural, and political developments across the region.
• B. Postclassic period of Mesoamerica chosen
  The Postclassic period of Mesoamerica was the final pre-Columbian era (roughly 900–1521 CE) marked by intensified warfare, long-distance trade, urban centers, and powerful states such as the Aztec Empire.
• C. Epiclassic period
  The Epiclassic period was a transitional era in Mesoamerican history (roughly 600–900 CE) marked by the decline of major Classic centers and the rise of regional powers and distinctive artistic and architectural styles.
• D. Classic period in Mesoamerica
  The Classic period in Mesoamerica was a flourishing era (roughly 250–900 CE) marked by the rise of great city-states like Teotihuacan, Tikal, and Palenque, characterized by monumental architecture, complex writing and calendrical systems, and extensive trade networks.
• E. Middle Horizon
  The Middle Horizon was a major pre-Columbian archaeological period in the central Andes marked by the expansion and influence of powerful highland states such as Tiwanaku and Wari.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.