Examine the tweet "Biggest #THREAT 2 #GLOBAL #STABILITY? #climatechange #food #water #security #terrorism #russia #war #trump #clinton #geopolitics #korea $vwo" 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".
anger, disgust, fear, pessimism