air_conditioner,alarm_clock,angel,bed,blinds,book,bookshelf,bottle,bulletin_board,calendar_(object),chair,chick,clipboard,computer,couch,cup,day,desk,drinking_glass,envelope,flower,flower_pot,food,fruit,halo,house,indoors,keyboard_(computer),lamp,laptop,leaf,lemon,letter,menu,monitor,mouse_(computer),mug,no_humans,office,office_chair,orange_(fruit),painting_(object),paper,pen,photo_(object),picture_(object),picture_frame,plant,plate,potted_plant,red_flower,red_rose,refrigerator,rose,rug,scenery,sheet_music,stool,table,tablet_pc,television,tissue_box,toast,trash_can,vase,watering_can,window,wooden_floor,yellow_flower,rating:safe