Please analyze the tweet "Patti seems so sad. She stamped and ran behind the sofa. We will have to give her plenty of love and affection...more than usual." 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".
joy, love, optimism, sadness