Task: Classify the tweet into one of four ordinal intensity levels, indicating the degree of emotion E experienced by the tweeter. 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: @mar_de_palabras But I do think we need to experience a bit madness &amp; despair too. This is the stuff that makes us human.
Emotion: sadness
Intensity class: 
1: low amount of sadness can be inferred