Pressing a button on a ballpoint pen:
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Take out a pencil from the pile.
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Pencil writing on paper
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Remove eraser by hand
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Throw a ballpoint pen on the table
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Tear off tape
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Ballpoint pen
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Crunching paper rustling
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Throw a pencil
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Apply tape to tape
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Removing the ballpoint pen cap
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Ballpoint pen machine, press a button, write
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Chalk writing on the blackboard
★★★★★