-- Database schema
| ATT_CLASSES : ATT_CLASS_ID [ INTEGER ] primary_key , ATT_CLASS [ TEXT ] | OBJ_CLASSES : OBJ_CLASS_ID [ INTEGER ] primary_key , OBJ_CLASS [ TEXT ] | IMG_OBJ : IMG_ID [ INTEGER ] , OBJ_SAMPLE_ID [ INTEGER ] , OBJ_CLASS_ID [ INTEGER ] IMG_OBJ.OBJ_CLASS_ID = OBJ_CLASSES.OBJ_CLASS_ID , X [ INTEGER ] , Y [ INTEGER ] , W [ INTEGER ] , H [ INTEGER ] | IMG_OBJ_ATT : IMG_ID [ INTEGER ] IMG_OBJ_ATT.IMG_ID = IMG_OBJ.IMG_ID , ATT_CLASS_ID [ INTEGER ] IMG_OBJ_ATT.ATT_CLASS_ID = ATT_CLASSES.ATT_CLASS_ID , OBJ_SAMPLE_ID [ INTEGER ] IMG_OBJ_ATT.OBJ_SAMPLE_ID = IMG_OBJ.OBJ_SAMPLE_ID | PRED_CLASSES : PRED_CLASS_ID [ INTEGER ] primary_key , PRED_CLASS [ TEXT ] | IMG_REL : IMG_ID [ INTEGER ] IMG_REL.IMG_ID = IMG_OBJ.IMG_ID , PRED_CLASS_ID [ INTEGER ] IMG_REL.PRED_CLASS_ID = PRED_CLASSES.PRED_CLASS_ID , OBJ1_SAMPLE_ID [ INTEGER ] IMG_REL.OBJ1_SAMPLE_ID = IMG_OBJ.OBJ_SAMPLE_ID , OBJ2_SAMPLE_ID [ INTEGER ] IMG_REL.OBJ2_SAMPLE_ID = IMG_OBJ.OBJ_SAMPLE_ID |
-- -- Name the object element that is described as being scattered on image no. 10.

SELECT T2.OBJ_CLASS FROM IMG_OBJ AS T1 INNER JOIN OBJ_CLASSES AS T2 ON T1.OBJ_CLASS_ID = T2.OBJ_CLASS_ID INNER JOIN IMG_OBJ_ATT AS T3 ON T1.IMG_ID = T3.IMG_ID INNER JOIN ATT_CLASSES AS T4 ON T3.ATT_CLASS_ID = T4.ATT_CLASS_ID WHERE T4.ATT_CLASS = 'scattered' AND T1.IMG_ID = 10 GROUP BY T2.OBJ_CLASS;