Her last statement is logically unsound. If she’s telling the truth, then the coffee does make her lie, so she’s lying. If she’s lying, the coffee is making her tell the truth, so she is telling the trurh.
Her last statement is logically unsound. If she’s telling the truth, then the coffee does make her lie, so she’s lying. If she’s lying, the coffee is making her tell the truth, so she is telling the trurh.