Examine the tweet "#RIP30 Heaven is rejoicing because they've gained an angel, the Keifer family are in my prayers 💙🙏" and determine which of these emotions are present: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If there are no identifiable emotions, reply with "neutral or no emotion".
joy, love, optimism, sadness