Given the emotion sadness and the tweet "Was a huge fan of @Ryanair but last few flights have been horrific. #rude #poorservice #nostock etc etc etc #dissapointed", classify the intensity of the emotion displayed in the tweet. The classification options 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.