Task: Assign a suitable level of intensity of emotion E to the tweet, representing the emotional state of 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: @len_snart Mick nods. 'I would like that.' He went back to his food, smiling as he finished it.
Emotion: joy
Intensity class: 
2: moderate amount of joy can be inferred