问题描述：
my name is ann.how are you?
｛1｝my name is ann。how are you？you:
｛2｝i m fine.l am from england.where are you from?you:
｛3｝that s interesting .ls your city big or small?you:
｛4】l m from london lt s a big city.see you later bye!you:
｛1｝my name is ann。how are you？you:
｛2｝i m fine.l am from england.where are you from?you:
｛3｝that s interesting .ls your city big or small?you:
｛4】l m from london lt s a big city.see you later bye!you:
问题解答：
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