Task: Determine the appropriate intensity class for the tweet, reflecting the level of emotion E experienced by the user. 0: no E can be inferred. 1: low amount of E can be inferred. 2: moderate amount of E can be inferred. 3: high amount of E can be inferred.
Tweet: So @Ryanair site crashes everytime I try to book - how do they help? Tell me there's nothing wrong &amp; hang up #furious #helpless @SimonCalder
Emotion: sadness
Intensity class: 
2: moderate amount of sadness can be inferred