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: @BeeTuppy We're sorry to hear about the issues and how this is making you feel. We don't like to hear our customers being unhappy :-( We
This tweet contains emotions: 
sadness