What are the x and y coordinates of all the images with a prediction relationship class id of 98?
prediction relationship class id of 98 refers to PRED_CLASS_ID = 98
SELECT T2.X, T2.Y FROM IMG_REL AS T1 INNER JOIN IMG_OBJ AS T2 ON T1.IMG_ID = T2.IMG_ID WHERE T1.PRED_CLASS_ID = 98