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: If you think reason will prevail in this election remember that Hitler was elected by what was then a wholly 'reasonable' society. #fear
This tweet contains emotions: 
fear