What kind of dog never bite？
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What is yours but is used by others more than by yourself?
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What goes through a door but never comes in or goes out?
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What runs all around the ground but never moves?
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What can go through water but never get wet?
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What kind of leaves doesn’t fall in Autumn?
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What kind of house weights least?
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Where do ghost like to swim?
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What number gets bigger when you turn it upside down?
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Why did the pickle close its eyes?
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