Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: Congress acting indignant over the  #EpiPen pricing is quite disingenuous since they craft the laws that allow such gouging!!
This tweet contains emotions: 
anger, disgust, sadness