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: Their engine runs on fuel called whining :-)\n\nU jst  hv 2b observant..\nHar din Rona dhona &amp; complain. \nHappy news makes them unhappy :-)
Emotion: sadness
Intensity class: 
1: low amount of sadness can be inferred