Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven 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. #anxiety #depression
This tweet contains emotions: 
fear, sadness