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: 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