Look at the tweet "Mastering others is strength. Mastering yourself is true power. - Lao Tzu #meditate #mindful #joy #innerpeace #gratitude #inspire" and classify the intensity of the emotion joy. Your options are: 0: no joy can be inferred, 1: low amount of joy can be inferred, 2: moderate amount of joy can be inferred, 3: high amount of joy can be inferred.