Assess the level of the emotion sadness in the tweet provided. Use the following categories: 0: no sadness can be inferred, 1: low amount of sadness can be inferred, 2: moderate amount of sadness can be inferred, 3: high amount of sadness can be inferred.
Tweet: Listening to @wdwradio at work is my slice of sunshine in this dreary cube world #9to5life
1: low amount of sadness can be inferred