The tweet was made as part of a heated Internet debate about plaintiff’s responsibility for the disappearance of her horse. Furthermore, it cannot be read literally without regard to the way in which a reasonable person would interpret it. The phrase “Mara Feld… is fucking crazy,” when viewed in that context, cannot reasonably be understood to state actual facts about plaintiff’s mental state. It was obviously intended as criticism—that is, as opinion—not as a statement of fact.