Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: Was a huge fan of @Ryanair but last few flights have been horrific. #rude #poorservice #nostock etc etc etc #dissapointed
This tweet contains emotions: 
anger, disgust, fear, sadness