Task: Question Answering
Input (English): Ellie took a nap today , which is unbelievable . Aaron got to work from home the second half of the day . I made yummy spaghetti with ghetto garlic bread ( sliced bread with butter and garlic salt , toasted in the oven ) for dinner . Earlier in the day , Ellie and I made chocolate pudding , so we just had that for dessert . 
Question: Why did Ellie take a nap today ?
Output (English): Because she was tired .