Write SQL query to solve given problem: List all the object classes in image 10.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT DISTINCT T2.OBJ_CLASS FROM IMG_OBJ AS T1 INNER JOIN OBJ_CLASSES AS T2 ON T1.OBJ_CLASS_ID = T2.OBJ_CLASS_ID WHERE T1.IMG_ID = 10