Task: Sentence Perturbation
Input (English): sentence: I couldn't find a spoon , so I tried using a pen to stir my coffee . But that turned out to be a bad idea , because it got full of coffee . aspect: Number
Output (English): I couldn't find spoons , so I tried using pens to stir my coffees .  But that turned out to be a bad idea ,  because they got full of coffee .