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: And it pisses me off more they killed people who surrendered. Hands up and all. If hands visible you shouldn't be fearing for your life
This tweet contains emotions: 
anger, disgust, fear