Given the tweet "@ElfinKate @CulturalWatch @aldaily @BullDeborah @SelinaNThompson @CSSDLondon @CSSDLondon Tedx 1st Sept #scared!", identify any emotions from this list: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are identified, respond with "neutral or no emotion".