Please analyze the tweet "Didn't know the @ChickfilA cow day thing ended at 7:30 so showed up 30 min late looking like a cow with no sandwich #sadness 😅😅😅" 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".