For the tweet "@A_RockasThe U.S. has added years to the Syrian conflict by arming the 'rebel' army. You would think that Iraq had sunk in with Kerry.", 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