Evaluate the intensity of sadness in the tweet "'Suddenly I can do so much, &amp; it feels like my brother was holding my back in a way, &amp; that feels like a horrible thing to say' #InsightSBS". Choose from these categories: 0: no sadness can be inferred, 1: low amount of sadness can be inferred, 2: moderate amount of sadness can be inferred, 3: high amount of sadness can be inferred.