Classify the emotions found in the tweet "@TheSandraGal Glad to see that you're having fun in the sun. Water sports are always fun, challenging, and exhilarating. #happiness #beauty". 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".
joy, love, optimism, trust