For the tweet "I need a syfy series to watch I literally have nothing to watch back to back. I already watched #heroes #lost #jericho #fallenskies  etc etc", classify the intensity of the emotion sadness. The possible classifications are: 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.
0: no sadness can be inferred