Please analyze the tweet "@Lizombi There's a difference though. A grudge cab be tamed. Feeling uncomfortable is pure emotion, you can't really control it." 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, pessimism, sadness