️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Notebooks, textbook, desk lamp, pencil pouch, beach ball, pillow, laptop.
Notebooks: useful, textbook: useful, desk lamp: not useful, pencil pouch: useful, beach ball: not useful, pillow: not useful, laptop: useful.