Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: Happy 69th @StephenKing! May u keep haunting us for many years. #horror #writing
This tweet contains emotions: 
fear, joy, love