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: the sad moment when u hand in an exam knowing u failed and grieve by eating and sleeping
This tweet contains emotions: 
fear, pessimism, sadness