Task: Place the tweet into a specific intensity class, reflecting the intensity of the mentioned emotion E and the user's mental state. 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: They are building a shell command on a server, combining that with user input, and then executing that in a shell on the client. #shudder
Emotion: fear
Intensity class: 