Rate the following argument fragment on its writing, argument, and language skills:
Evidence: Second,"the facial expressions for each emotion are universal,"observes Dr. Huang."A classroom computer could recognize when a student is becoming confued or bored"Dr. Huang predicts."Then it could modify the lesson,like an effective human instructo.""Most human communication is nonverbal,including emotional communicaton,"notes Dr. Huang."So computers need to understand that,too."

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