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: @MarGraham I am practically obsessed with it, the very thought of their departure makes me feel both melancholic and grateful.  Safe journey
Emotion: sadness
Intensity class: 
0: no sadness can be inferred