Twilight yawned hugely as she left the library. She had spent the night tossing and turning, not sure of what to do. Her suspicions weren't evidence, she knew that. But still, it fit. The questions Sunflower had asked had demonstrated a significant lack of common knowledge. She didn't know much about magic, and was remarkably ignorant on many aspects of pony life. She'd never seen unicorns or pegasi before coming to Ponyville. 