Bookcase - Cupboard - Table
Cupboard
Teacher - Students
Teacher
Bookcase - Board - Desk
Board
Table - Desk - Chair
Table
Chair - Table - Desk
Chair
Ruler - Book - Rubber
Book
Ruler - Cupboard - Bag
Bag
Teacher - Students
Students
Cupboard - Bookcase - Desk
Bookcase
Pencil - Ruler - Pen
Pen
Pen - Rubber - Pencil
Pencil