desk
yes
book
no
classroom
yes
board
yes
pen
yes
poster
no
eraser
no
poster
yes
ruler
no
chair
yes
crayon
yes
pencil
no
desk
no
ball
yes
crayon
no
eraser
yes
chair
no
pencil case
no
book
yes
pencil
yes
board
no
classroom
no
pencil case
yes
ball
no
pen
no
ruler
yes