Task: Determine the level of emotion E in the tweet by categorizing it into one of four intensity levels, reflecting the user's emotional expression. 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: An email that will never be sent, a message that will remain unsaid, a voice never heard again. #loss #sorrow #Friends
Emotion: sadness
Intensity class: 