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: The abysmal ignorance, frivolity and levity of the Italian priests stupefied him.' - Roland Bainton on Luther, #ReformationDay
This tweet contains emotions: 
anger, disgust