Provide the x-coordinate and y-coordinate of the image with an attribute class of ''horse" and an object class of "fur".
attribute class of "horse" refers to ATT_CLASS = 'horse'; object class of "fur" refers to OBJ_CLASS = 'fur';
SELECT T3.X, T3.Y FROM ATT_CLASSES AS T1 INNER JOIN IMG_OBJ_ATT AS T2 ON T1.ATT_CLASS_ID = T2.ATT_CLASS_ID INNER JOIN IMG_OBJ AS T3 ON T2.IMG_ID = T3.IMG_ID INNER JOIN OBJ_CLASSES AS T4 ON T3.OBJ_CLASS_ID = T4.OBJ_CLASS_ID WHERE T1.ATT_CLASS = 'horse' AND T4.OBJ_CLASS = 'fur'