yes
Is it a rubber?
yes
Is it a bag?
no
Is it a book?
no
Is it a notebook?
yes
Is it a notebook?
yes
Is it a pencil?
yes
Is it a book?
no
Is it a rubber?
yes
desk?
no
Is it a bag?
no
Is it a pencil case?
yes
Is it a paper?
n0
Is it a pencil case?
yes
Is it a ruler?
no
Is it a ruler?
no
Is it a pencil?
no
Is it a pen?
no
Is it a paper?
yes
Is it a pen?
no
Is it a desk?