Here is an extended dictionary of information about The Sentence
Guardians Of The Equestria Pyramid - The spirits who guard the pyramid. Their duty is to defend the pyramid from trespassers and their second duty is to prevent Twilight from escaping from the pyramid.
Equestria Pyramid - The place where Twilight is serving out her punishment. The Equestria Pyramid is located in Ponyville and had been kept secret from the public until Twilight revealed her punishment to the public