Classify the emotions found in 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. #sad". Select from the following: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If the tweet is emotionless, reply "neutral or no emotion".
love, sadness