Curiosity Killed The Pinkie

When Pinkie accidentally asks the wrong question, the result is far more horrifying than she could have ever expected.

It all started with a simple question. A simple, innocent question. Who could have guessed that it would lead to uncovering one of the deepest, darkest secrets in Equestria? Certainly not Pinkie, who must now face the ramifications of her curiosity, due to a question better left unanswered.

Why do we only speak Equestrian?