Task: Evaluate the tweet for emotional cues and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that indicate the tweeter's state of mind.
Tweet: Panic attacks are the worst. Feeling really sick and still shaking. I should be a sleep. #anxiety #depression
This tweet contains emotions: 
fear, sadness