Examine the tweet "#IfOnlyPeopleWould not exist. #humanity #life #ignorance #nature #mothernature #sad #disappointment #smh #personal #opinion #views #animals" 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".