Task: Text Categorization
Input (English): August 11, 3114 BCE has been computed as the beginning date for this civilization's calendar. They used a vigesimal number system and knew the use of zero. Sacrifices to the rain god Chac-mool were made by hurling virgins down a well. The same was allegedly done to the 12th century ruler Kukulkan. The great structures of their classical period include Bonampak, Palenque, and Tikal, which contains a pyramid 229 feet high. FTP, name this civilization, the most famous ruin of which is Chichen Itza.	
Output (English): History