Mesoamerican Long Count calendar

Target entity: Mesoamerican Long Count calendar
Context triple: [Toltec civilization, usedCalendar, Mesoamerican Long Count calendar]

• A. Tzolkʼin calendar
  The Tzolkʼin calendar is a 260-day sacred ritual calendar of the ancient Maya used for divination, ceremonial events, and structuring religious life.
• B. Maya numerals
  Maya numerals are a vigesimal (base-20) numeral system developed by the ancient Maya, notable for its use of dots and bars and an early concept of zero.
• C. Calendar Round
  The Calendar Round is a Mesoamerican cyclical dating system that combines a 260-day ritual calendar with a 365-day solar calendar to produce repeating 52-year periods.
• D. Piedra del Sol
  Piedra del Sol is a monumental Aztec basalt sculpture, often called the Aztec Sun Stone, renowned for its intricate calendrical and cosmological carvings.
• E. calmecac
  Calmecac was an elite Aztec school where children of nobles were rigorously trained in religion, governance, warfare, and high culture to become future leaders and priests.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Mesoamerican Long Count calendar
Target entity description: The Mesoamerican Long Count calendar is an ancient Mesoamerican timekeeping system that tracks days in a linear count from a mythological starting point, most famously used by the Maya and other regional civilizations.

• A. Tzolkʼin calendar
  The Tzolkʼin calendar is a 260-day sacred ritual calendar of the ancient Maya used for divination, ceremonial events, and structuring religious life.
• B. Maya numerals
  Maya numerals are a vigesimal (base-20) numeral system developed by the ancient Maya, notable for its use of dots and bars and an early concept of zero.
• C. Calendar Round
  The Calendar Round is a Mesoamerican cyclical dating system that combines a 260-day ritual calendar with a 365-day solar calendar to produce repeating 52-year periods.
• D. Piedra del Sol
  Piedra del Sol is a monumental Aztec basalt sculpture, often called the Aztec Sun Stone, renowned for its intricate calendrical and cosmological carvings.
• E. calmecac
  Calmecac was an elite Aztec school where children of nobles were rigorously trained in religion, governance, warfare, and high culture to become future leaders and priests.
• F. None of above. chosen