Assistantvoicesays:

        MalepleasesayA,

        FemalepleasesayB,

        Themiddle-agedmansaidtotheassistantimage:A,

        Assistantvoicesays:

        Forstudents,pleasesayA,

        Officeworkers,pleasesayB,

        RetireespleasesayC,

        Themiddle-agedmansaidtotheassistantimage:C,

        Assistantvoicesays:

        Age1-10yearsoldpleasesayA,

        Age11-20pleasesayB,

        Age21-30pleasesayC,

        Age31-40pleasesayD,

        Age41-50pleasesayE,

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