Examine the tweet "When you realize there is #NoHopeForHumanity so you just #start focusing on what's #best for you." 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".
optimism, pessimism, sadness, trust