Task: Determine the prevailing emotional tone of the tweet, categorizing 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 most accurately represent the tweeter's mental state.
Tweet: @CNN yes. Too many cops. And too many ppl who should have lost their lives r still alive.
This tweet contains emotions: 
anger, anticipation, disgust, optimism