Task: Classify the tweet's emotional intensity into one of four ordinal levels of emotion E, providing insights into the mental state of 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: @SkyUK I was just put on hold for 20 minutes till I hung up. #not happy #terribleservice #unhappy @virginmedia I should have stayed...
Emotion: sadness
Intensity class: 