Task: Assign one of four ordinal intensity classes of emotion E to a given tweet based on the emotional 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: Paul Ehrlich said that humanity is a threat to all life. Such great news to start the day. If I could blush I would.
Emotion: anger
Intensity class: 