Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Panic attacks are the worst. Feeling really sick and still shaking. I should be a sleep.  #depression
This tweet contains emotions: 
fear, sadness