b667a67a_u_d_Think___MuggleNet_com_Blog__3
[0] When Dolores Umbridge was appointed Hogwarts High Inquisitor, she insisted that Trelawney demonstrate her skills by prophesizing something. [1] Trelawney said that she saw dark things in Umbridge’s future. [2] This can be taken as a fulfilled prediction because later that year, Umbridge was taken prisoner by a herd of centaurs. [4] ✔ [3] 
Though it’s assumed by the reader (and Umbridge) that Trelawney had to make up this prophecy because she could not “see” one herself, in any case this became true, so it is still a true prediction.
Not as Crazy as You’d Think | MuggleNet.com Blog
3