Please analyze the tweet "Sister: (Canadian player does something shady.) Jonathan Toews is frowning and he doesn't know why. #WorldCupOfHockey" 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, sadness