Task: Classify the tweet into an ordinal category that indicates the tweeter's mental state by evaluating the levels of positivity or negativity in the sentiment. 1: positive, 0: neutral, -1: negative.
Tweet: Watch ' Glee ' Star Darren Criss and Warblers Sing for ellen degeneres : Filed under : television News ' Glee ' star Darren Criss led the Warblers 
Intensity class: 