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: It's easy to #fall #asleep in class, but hard to in bed. #True #sober #whileyouweresleeping #insomnia #TeamFollowBack #RockTheReTweet
This tweet contains emotions: 
anger, sadness