 When is a door not a door?
 A door is not a door when it is ajar, or open. When a door is open, it is no longer fulfilling its function as a barrier, and is instead allowing access through an opening.
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<|USER|> When is a door not a door?
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 A door is not a door when it is ajar, or open. When a door is open, it is no longer fulfilling its function as a barrier, and is instead allowing access through an opening.
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