Passage: Ngô (Vietnamese pronunciation: ( ŋo) ) is a Vietnamese surname, related to the Chinese surnames Ng and Wu.\n\nQuestion: Based on this passage, where does the last name ngo come from?
Use reasoning to answer the following question.
Vietnamese
To answer the above question, the relevant sentence is: Ngô (Vietnamese pronunciation: ( ŋo) ) is a Vietnamese surname, related to the Chinese surnames Ng and Wu.

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Thus, the answer is Vietnamese