Examine the tweet "🚨 an alle bike-people in #wien - take care: extrem viele kontrollen momentan, insbesondere ring usw. 🚲 \n #schwarzkappler  #reflektor" 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".