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: It's now September and we're still battling a situation that was said to be handled March of this year. @ATT this is unacceptable #unhappy
This tweet contains emotions: 
anger, sadness