like: Cửa sổ làm sao mà bị vỡ? → →
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How was the window broken? How did the window get broken? ☊ 
Cửa sổ làm sao mà bị vỡ? ☊ How was the window broken? How did the window get broken? ☊ Cửa sổ làm sao mà bị vỡ? ☊