marker
pen
book
ruler
my ruler
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my book
your book
ruler
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eraser
pen
pen
marker
ruler
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your pencil
my pencil
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book
pen
pencil
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ruler
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pen
my pen
your pen
eraser
ruler
marker
pen
your eraser
my eraser
your eraser
my eraser
book
pen
pencil
ruler
your pen
my pen
my marker
your marker
my book
your book
my pencil
your pencil