Please analyze the 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" and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
anger, disgust, fear