| There are two sisters. One swallows the other, and gives birth to her. The other, in turn, swallows her sister and births them as well. The sisters continue to swallow and birth again and again. Who are the sisters? |
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| There are two sisters. One swallows the other, and gives birth to her. The other, in turn, swallows her sister and births them as well. The sisters continue to swallow and birth again and again. Who are the sisters? |
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