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: #Violence doesn't fix violence. #pain and #anger are the same reaction in the brain. Cure the pain and the anger will go away.
This tweet contains emotions: 
anger, optimism