Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Still waiting to see if my @london2012track will make an appearance next week - two months today it was ordered #shocking #badservice
This tweet contains emotions: 
anger, disgust, sadness