Examine the tweet "@LucasDrakeH @realDonaldTrump @GenFlynn @RandPaul @trump2016fan terrorist attack and terrorism already exists in the history of islam." 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