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Writing with a pencil, hard
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Sharpening a pencil in a manual sharpener
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Writing with a pencil
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Sharpening a pencil in a mechanical sharpener
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Writing with a pencil, hard
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Sharpening a pencil in a mechanical sharpener
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Writing with a pencil
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Rolling a pencil down a desk
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Sharping a pencil with a manual sharpener
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Sharpening a pencil in an electrical sharpener
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