Task: Determine the appropriate intensity class for the tweet, reflecting the level of emotion E experienced by 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: @MHChat if we don't understand how to express our emotions to others, may lead to sadness / loneliness &amp; neg impact on long term mh #MHChat
Emotion: sadness
Intensity class: 
2: moderate amount of sadness can be inferred